--- title: «snakes unhinge their jaws, the jaw just pops off» What is closer to… — The reptile house: snakes · tree and pragmatics description: «snakes unhinge their jaws, the jaw just pops off» What is closer to the truth? Test 9 · ★ of lesson 87 «The reptile house: snakes» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong. --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/87-reptile-house-snakes/t9/) [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/) / [The reptile house: snakes](https://md.mova.elamur.ai/free/en/corpora/questions/biology/87-reptile-house-snakes/) / t9 # Test 9 · ★ · The reptile house: snakes «snakes unhinge their jaws, the jaw just pops off» What is closer to the truth? **Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** snakes, jaw · **What happens:** unhinge, pop off, be · **To what, where:** jaws This is test 9 · ★ of lesson 87 «The reptile house: snakes» 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/87-reptile-house-snakes/#t9). ## The question {#question} ```conllu # sent_id = question:biology:87-reptile-house-snakes:t9:1 # text = «snakes unhinge their jaws, the jaw just pops off» What is closer to the truth? 1 « « PUNCT `` _ 3 punct _ SpaceAfter=No 2 snakes snake NOUN NNS Number=Plur 3 nsubj _ _ 3 unhinge unhinge VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 4 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 5 nmod:poss _ _ 5 jaws jaw NOUN NNS Number=Plur 3 obj _ SpaceAfter=No 6 , , PUNCT , _ 10 punct _ _ 7 the the DET DT Definite=Def|PronType=Art 8 det _ _ 8 jaw jaw NOUN NN Number=Sing 10 nsubj _ _ 9 just just ADV RB _ 10 advmod _ _ 10 pops pop VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 3 conj _ _ 11 off off ADP RP _ 10 compound:prt _ SpaceAfter=No 12 » » PUNCT '' _ 10 punct _ _ 13 What what PRON WP PronType=Int 15 nsubj _ _ 14 is be AUX VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 15 cop _ _ 15 closer close ADJ JJR Degree=Cmp 10 advcl _ _ 16 to to ADP IN _ 18 case _ _ 17 the the DET DT Definite=Def|PronType=Art 18 det _ _ 18 truth truth NOUN NN Number=Sing 15 obl _ SpaceAfter=No 19 ? ? PUNCT . _ 3 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **unhinge** *in a quote* | present | snakes | snakes's jaws | | | | | vn disassemble-23.3 «NP V NP»: agent=Agent jaw=Patient | | 2 | **pop off** *in a quote* | present | the jaw | | | | | | vn die-42.4 «NP V»: agent=Patient | | 3 | **is** | present | | | | | | to the truth; close *property* | tree rules | 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. ## The options {#options} ### Option 1 · ← Mova's choice {#o1} No, snakes always chew their food ```conllu # sent_id = question:biology:87-reptile-house-snakes:t9:o1:1 # text = No, snakes always chew their food 1 No no INTJ UH Polarity=Neg 5 discourse _ SpaceAfter=No 2 , , PUNCT , _ 1 punct _ _ 3 snakes snake NOUN NNS Number=Plur 5 nsubj _ _ 4 always always ADV RB PronType=Tot 5 advmod _ _ 5 chew chew VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 6 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 7 nmod:poss _ _ 7 food food NOUN NN Number=Sing 5 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **chew** | present | snakes | snakes's food | | | | always *property* | vn chew-39.2 «NP V NP»: agent=Agent food=Patient | ### Option 2 {#o2} Yes, but only for eggs ```conllu # sent_id = question:biology:87-reptile-house-snakes:t9:o2:1 # text = Yes, but only for eggs 1 Yes yes INTJ UH Polarity=Pos 6 discourse _ SpaceAfter=No 2 , , PUNCT , _ 1 punct _ _ 3 but but CCONJ CC _ 6 cc _ _ 4 only only ADV RB _ 6 advmod _ _ 5 for for ADP IN _ 6 case _ _ 6 eggs egg NOUN NNS Number=Plur 0 root _ _ ``` The frames reader finds no event or fact in this sentence. ### Option 3 · ✓ the right answer {#o3} The jaws are loose and stretchy rather than coming apart ```conllu # sent_id = question:biology:87-reptile-house-snakes:t9:o3:1 # text = The jaws are loose and stretchy rather than coming apart 1 The the DET DT Definite=Def|PronType=Art 2 det _ _ 2 jaws jaw NOUN NNS Number=Plur 4 nsubj _ _ 3 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 4 cop _ _ 4 loose loose ADJ JJ Degree=Pos 0 root _ _ 5 and and CCONJ CC _ 6 cc _ _ 6 stretchy stretchy ADJ JJ Degree=Pos 4 conj _ _ 7 rather rather ADV RB ExtPos=CCONJ 9 cc _ _ 8 than than ADP IN _ 7 fixed _ _ 9 coming come VERB VBG Tense=Pres|VerbForm=Part 4 conj _ _ 10 apart apart ADV RB _ 9 advmod _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is** | present | the jaws | | | | | loose *property* | tree rules | | 2 | **be** | | the jaws *not said here* | | | | | | tree rules | | 3 | **come apart** | gerund | the jaws *not said here* | | | | | apart *property* | vn escape-51.1-1 «NP V»: agent=Theme | ### Option 4 {#o4} Yes, the jaw falls right off after every meal and grows back ```conllu # sent_id = question:biology:87-reptile-house-snakes:t9:o4:1 # text = Yes, the jaw falls right off after every meal and grows back 1 Yes yes INTJ UH Polarity=Pos 5 discourse _ SpaceAfter=No 2 , , PUNCT , _ 1 punct _ _ 3 the the DET DT Definite=Def|PronType=Art 4 det _ _ 4 jaw jaw NOUN NN Number=Sing 5 nsubj _ _ 5 falls fall VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 6 right right ADV RB _ 7 advmod _ _ 7 off off ADV RB _ 5 advmod _ _ 8 after after ADP IN _ 10 case _ _ 9 every every DET DT PronType=Tot 10 det _ _ 10 meal meal NOUN NN Number=Sing 5 obl _ _ 11 and and CCONJ CC _ 12 cc _ _ 12 grows grow VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 5 conj _ _ 13 back back ADV RB _ 12 advmod _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **fall** | present | the jaw | | | | after every meal | off *property* | vn occur-48.3 «NP V»: agent=Theme | | 2 | **grow back** | present | the jaw *not said here* | | | | | | vn appear-48.1.1 «NP V»: agent=Theme | **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: [The reptile house: snakes, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/biology/87-reptile-house-snakes/t8/) - next →: [The reptile house: snakes, test 10](https://md.mova.elamur.ai/free/en/corpora/questions/biology/87-reptile-house-snakes/t10/) - ↑ back to [The reptile house: snakes](https://md.mova.elamur.ai/free/en/corpora/questions/biology/87-reptile-house-snakes/)