--- title: It is given that a viewer, having watched a single video concerning… — Voice assistants and recommendations · tree and pragmatics description: It is given that a viewer, having watched a single video concerning cats, is subsequently presented with numerous similar videos. Identify the principal reason for this. Exam question 2 of lesson 17 «Voice assistants and recommendations» of the AI course of Mova's primary school, with the dependency --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/ai/17-voice-assistants-recommendations/e2/) [home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [AI](https://md.mova.elamur.ai/free/en/corpora/questions/ai/) / [Voice assistants and recommendations](https://md.mova.elamur.ai/free/en/corpora/questions/ai/17-voice-assistants-recommendations/) / e2 # Exam question 2 · Voice assistants and recommendations It is given that a viewer, having watched a single video concerning cats, is subsequently presented with numerous similar videos. Identify the principal reason for this. **Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** single video, you · **What happens:** give, watch, concern, present, identify · **To what, where:** It, single video, cats, principal reason This is exam question 2 of lesson 17 «Voice assistants and recommendations» of the AI course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/ai/17-voice-assistants-recommendations/#e2). ## The question {#question} *Sentence 1:* It is given that a viewer, having watched a single video concerning cats, is subsequently presented with numerous similar videos. ```conllu # sent_id = question:ai:17-voice-assistants-recommendations:e2:1 # text = It is given that a viewer, having watched a single video concerning cats, is subsequently presented with numerous similar videos. 1 It it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 3 nsubj:pass _ _ 2 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 aux:pass _ _ 3 given give VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 0 root _ _ 4 that that SCONJ IN _ 6 mark _ _ 5 a a DET DT Definite=Ind|PronType=Art 6 det _ _ 6 viewer viewer NOUN NN Number=Sing 3 xcomp _ SpaceAfter=No 7 , , PUNCT , _ 9 punct _ _ 8 having have AUX VBG Tense=Pres|VerbForm=Part 9 aux _ _ 9 watched watch VERB VBN Tense=Past|VerbForm=Part 3 parataxis _ _ 10 a a DET DT Definite=Ind|PronType=Art 12 det _ _ 11 single single ADJ JJ Degree=Pos 12 amod _ _ 12 video video NOUN NN Number=Sing 9 obj _ _ 13 concerning concern VERB VBG VerbForm=Ger 12 acl _ _ 14 cats cat NOUN NNS Number=Plur 13 obj _ SpaceAfter=No 15 , , PUNCT , _ 18 punct _ _ 16 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 18 aux:pass _ _ 17 subsequently subsequently ADV RB _ 18 advmod _ _ 18 presented present VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 3 conj _ _ 19 with with ADP IN _ 22 case _ _ 20 numerous numerous ADJ JJ Degree=Pos 22 amod _ _ 21 similar similar ADJ JJ Degree=Pos 22 amod _ _ 22 videos video NOUN NNS Number=Plur 18 obl _ SpaceAfter=No 23 . . PUNCT . _ 3 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **give** | present · passive | | It | | | | | vn give-13.1-1 «NP V NP»: subject=Theme | | 2 | **watch** | gerund · perfect | | a single video | | | | | vn assessment-34.1 «NP V NP»: agent=Agent video=Theme | | 3 | **concern** | gerund | a single video *not said here* | cats | | | | | vn amuse-31.1 «NP V NP»: agent=Stimulus cat=Experiencer | | 4 | **present** | present · passive | | | | | | with numerous similar videos; subsequently *property* | vn fulfilling-13.4.1 «NP V NP-Fulfilling PP.theme»: with video=Theme | One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree. *Sentence 2:* Identify the principal reason for this. ```conllu # sent_id = question:ai:17-voice-assistants-recommendations:e2:2 # text = Identify the principal reason for this. 1 Identify identify VERB VB Mood=Imp|VerbForm=Fin 0 root _ _ 2 the the DET DT Definite=Def|PronType=Art 4 det _ _ 3 principal principal ADJ JJ Degree=Pos 4 amod _ _ 4 reason reason NOUN NN Number=Sing 1 obj _ _ 5 for for ADP IN _ 6 case _ _ 6 this this PRON DT Number=Sing|PronType=Dem 4 nmod _ SpaceAfter=No 7 . . PUNCT . _ 1 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **identify** | imperative | you *not said here* | the principal reason | | | | for this | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent reason=Theme | ## The options {#options} ### Option 1 · ← Mova's choice {#o1} The site is obliged by law to promote animal content ```conllu # sent_id = question:ai:17-voice-assistants-recommendations:e2:o1:1 # text = The site is obliged by law to promote animal content 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 site site NOUN NN Number=Sing 4 nsubj _ _ 3 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 4 aux:pass _ _ 4 obliged oblige VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 0 root _ _ 5 by by ADP IN _ 6 case _ _ 6 law law NOUN NN Number=Sing 4 obl _ _ 7 to to PART TO _ 8 mark _ _ 8 promote promote VERB VB VerbForm=Inf 4 advcl _ _ 9 animal animal NOUN NN Number=Sing 10 compound _ _ 10 content content NOUN NN Number=Sing 8 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **oblige** | present · passive | law | the site | | | | | vn compel-59.1-1 «NP V NP»: agent=Agent subject=Patient | | 2 | **promote** | to-infinitive | law *not said here* | animal content | | | | | vn promote-102 «NP V NP»: agent=Agent content=Theme | ### Option 2 {#o2} The viewer's device has been infected by malicious software ```conllu # sent_id = question:ai:17-voice-assistants-recommendations:e2:o2:1 # text = The viewer's device has been infected by malicious software 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 viewer viewer NOUN NN Number=Sing 4 nmod:poss _ SpaceAfter=No 3 's 's PART POS _ 2 case _ _ 4 device device NOUN NN Number=Sing 7 nsubj:pass _ _ 5 has have AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 7 aux _ _ 6 been be AUX VBN Tense=Past|VerbForm=Part 7 aux:pass _ _ 7 infected infect VERB VBN Tense=Past|VerbForm=Part|Voice=Pass 0 root _ _ 8 by by ADP IN _ 10 case _ _ 9 malicious malicious ADJ JJ Degree=Pos 10 amod _ _ 10 software software NOUN NN Number=Sing 7 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **infect** | present · perfect · passive | malicious software | the viewer's device | | | | | vn fill-9.8 «NP V NP»: agent=Theme subject=Destination | ### Option 3 {#o3} Human staff select videos individually for each viewer ```conllu # sent_id = question:ai:17-voice-assistants-recommendations:e2:o3:1 # text = Human staff select videos individually for each viewer 1 Human human ADJ JJ Degree=Pos 2 amod _ _ 2 staff staff NOUN NN Number=Sing 4 compound _ _ 3 select select ADJ JJ Degree=Pos 4 amod _ _ 4 videos video NOUN NNS Number=Plur 0 root _ _ 5 individually individually ADV RB _ 4 advmod _ _ 6 for for ADP IN _ 8 case _ _ 7 each each DET DT PronType=Tot 8 det _ _ 8 viewer viewer NOUN NN Number=Sing 5 obl _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 4 · ✓ the right answer {#o4} The recommendation system infers preferences from previous viewing ```conllu # sent_id = question:ai:17-voice-assistants-recommendations:e2:o4:1 # text = The recommendation system infers preferences from previous viewing 1 The the DET DT Definite=Def|PronType=Art 3 det _ _ 2 recommendation recommendation NOUN NN Number=Sing 3 compound _ _ 3 system system NOUN NN Number=Sing 4 nsubj _ _ 4 infers infer VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 5 preferences preference NOUN NNS Number=Plur 4 obj _ _ 6 from from ADP IN _ 8 case _ _ 7 previous previous ADJ JJ Degree=Pos 8 amod _ _ 8 viewing viewing NOUN NN Number=Sing 4 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **infer** | present | the recommendation system | preferences | | previous viewing | | | vn deduce-97.2 «NP V NP PP.source»: agent=Agent preference=Theme from viewing=Source | **Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License. - ← previous: [Voice assistants and recommendations, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/ai/17-voice-assistants-recommendations/e1/) - next →: [Voice assistants and recommendations, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/ai/17-voice-assistants-recommendations/e3/) - ↑ back to [Voice assistants and recommendations](https://md.mova.elamur.ai/free/en/corpora/questions/ai/17-voice-assistants-recommendations/)