--- title: A bird sits on a wood ants' nest and lets ants climb on it. Why migh… — More builders: caddis cases, paper was… · tree and pragmatics description: A bird sits on a wood ants' nest and lets ants climb on it. Why might it do that? Test 11 of lesson 245 «More builders: caddis cases, paper wasps, moles, apes' beds and sand circles» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each o --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/245-more-builders-caddis-cases-paper-wasps-moles-apes-beds-and-sand-circles/t11/) [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/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/questions/biology/) / [More builders: caddis cases, paper was…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/245-more-builders-caddis-cases-paper-wasps-moles-apes-beds-and-sand-circles/) / t11 # Test 11 · More builders: caddis cases, paper wasps, moles, apes' bed… A bird sits on a wood ants' nest and lets ants climb on it. Why might it do that? **Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** bird, ants · **What happens:** sit, let, climb, do · **To what, where:** nest, ants, that This is test 11 of lesson 245 «More builders: caddis cases, paper wasps, moles, apes' beds and sand circles» of the biology course of Mova's primary school. 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/biology/245-more-builders-caddis-cases-paper-wasps-moles-apes-beds-and-sand-circles/#t11). ## The question {#question} *Sentence 1:* A bird sits on a wood ants' nest and lets ants climb on it. ```conllu # sent_id = question:biology:245-more-builders-caddis-cases-paper-wasps-moles-apes-beds-and-sand-circles:t11:1 # text = A bird sits on a wood ants' nest and lets ants climb on it. 1 A a DET DT Definite=Ind|PronType=Art 2 det _ _ 2 bird bird NOUN NN Number=Sing 3 nsubj _ _ 3 sits sit VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 on on ADP IN _ 9 case _ _ 5 a a DET DT Definite=Ind|PronType=Art 7 det _ _ 6 wood wood NOUN NN Number=Sing 7 compound _ _ 7 ants ant NOUN NNS Number=Plur 9 nmod:poss _ SpaceAfter=No 8 ' 's PART POS _ 7 case _ _ 9 nest nest NOUN NN Number=Sing 3 obl _ _ 10 and and CCONJ CC _ 11 cc _ _ 11 lets let VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 conj _ _ 12 ants ant NOUN NNS Number=Plur 11 obj _ _ 13 climb climb VERB VB VerbForm=Inf 11 xcomp _ _ 14 on on ADP IN _ 15 case _ _ 15 it it PRON PRP Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs 13 obl _ SpaceAfter=No 16 . . PUNCT . _ 3 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **sit** | present | a bird | | | a wood ants's nest | | | vn assuming\_position-50 «NP V PP.location»: agent=Agent on nest=Location | | 2 | **let** | present | a bird *not said here* | ants | | | | | tree rules | | 3 | **climb** | infinitive | ants *not said here* | | | | | on bird | vn run-51.3.2 «NP V PP.location»: agent=Theme on it=Trajectory | 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:* Why might it do that? ```conllu # sent_id = question:biology:245-more-builders-caddis-cases-paper-wasps-moles-apes-beds-and-sand-circles:t11:2 # text = Why might it do that? 1 Why why ADV WRB PronType=Int 4 advmod _ _ 2 might might AUX MD VerbForm=Fin 4 aux _ _ 3 it it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 4 nsubj _ _ 4 do do VERB VB VerbForm=Inf 0 root _ _ 5 that that PRON DT Number=Sing|PronType=Dem 4 obj _ SpaceAfter=No 6 ? ? PUNCT . _ 4 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **do** | might | bird | that | | | | | vn act-114-1 «NP V NP»: agent=Agent that=Eventuality | ## The options {#options} ### Option 1 {#o1} It is stuck in the nest and cannot fly away again ```conllu # sent_id = question:biology:245-more-builders-caddis-cases-paper-wasps-moles-apes-beds-and-sand-circles:t11:o1:1 # text = It is stuck in the nest and cannot fly away again 1 It it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 3 nsubj _ _ 2 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 cop _ _ 3 stuck stuck ADJ JJ Degree=Pos 0 root _ _ 4 in in ADP IN _ 6 case _ _ 5 the the DET DT Definite=Def|PronType=Art 6 det _ _ 6 nest nest NOUN NN Number=Sing 3 obl _ _ 7 and and CCONJ CC _ 10 cc _ _ 8 can can AUX MD VerbForm=Fin 10 aux _ SpaceAfter=No 9 not not PART RB Polarity=Neg 10 advmod _ _ 10 fly fly VERB VB VerbForm=Inf 3 conj _ _ 11 away away ADV RB _ 10 advmod _ _ 12 again again ADV RB _ 10 advmod _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is** | present | It | | | the nest | | stuck *property* | tree rules | | 2 | **not** **fly away** | can | | | | | again | away *property* | vn spatial\_configuration-47.6-1 «NP V»: agent=Theme | ### Option 2 {#o2} It is building its own nest there ```conllu # sent_id = question:biology:245-more-builders-caddis-cases-paper-wasps-moles-apes-beds-and-sand-circles:t11:o2:1 # text = It is building its own nest there 1 It it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 3 nsubj _ _ 2 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 aux _ _ 3 building build VERB VBG Tense=Pres|VerbForm=Part 0 root _ _ 4 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 6 nmod:poss _ _ 5 own own ADJ JJ Degree=Pos 6 amod _ _ 6 nest nest NOUN NN Number=Sing 3 obj _ _ 7 there there ADV RB PronType=Dem 3 advmod _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **build** | present · progressive | It | its own nest | | there | | | vn build-26.1-1 «NP.material V NP»: agent=Material nest=Product | ### Option 3 · ← Mova's choice · ✓ the right answer {#o3} The ants' acid may clean parasites off its feathers ```conllu # sent_id = question:biology:245-more-builders-caddis-cases-paper-wasps-moles-apes-beds-and-sand-circles:t11:o3:1 # text = The ants' acid may clean parasites off its feathers 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 ants ant NOUN NNS Number=Plur 4 nmod:poss _ SpaceAfter=No 3 ' 's PART POS _ 2 case _ _ 4 acid acid NOUN NN Number=Sing 6 nsubj _ _ 5 may may AUX MD VerbForm=Fin 6 aux _ _ 6 clean clean VERB VB VerbForm=Inf 0 root _ _ 7 parasites parasite NOUN NNS Number=Plur 6 obj _ _ 8 off off ADP IN _ 10 case _ _ 9 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 10 nmod:poss _ _ 10 feathers feather NOUN NNS Number=Plur 6 obl _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **clean** | may | the ants's acid | parasites | | acid's feathers | | | vn clear-10.3 «NP V NP PP.source»: agent=Agent parasite=Theme off feather=Source | ### Option 4 {#o4} It is trying to hatch the ant eggs ```conllu # sent_id = question:biology:245-more-builders-caddis-cases-paper-wasps-moles-apes-beds-and-sand-circles:t11:o4:1 # text = It is trying to hatch the ant eggs 1 It it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 3 nsubj _ _ 2 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 aux _ _ 3 trying try VERB VBG Tense=Pres|VerbForm=Part 0 root _ _ 4 to to PART TO _ 5 mark _ _ 5 hatch hatch VERB VB VerbForm=Inf 3 xcomp _ _ 6 the the DET DT Definite=Def|PronType=Art 8 det _ _ 7 ant ant NOUN NN Number=Sing 8 compound _ _ 8 eggs egg NOUN NNS Number=Plur 5 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **try** | present · progressive | It | | | | | | vn try-61.1 «NP V S\_INF»: agent=Agent clause=Eventuality | | 2 | **hatch** *not said to happen* | to-infinitive | | the ant eggs | | | | | vn grow-26.2.1 «NP V NP.product PP.patient»: agent=Agent egg=Product | **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. 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