--- title: Why would a cobra spread its hood instead of biting first? — The reptile house: snakes · tree and pragmatics description: Why would a cobra spread its hood instead of biting first? Test 10 · ★ 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/t10/) [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/) / t10 # Test 10 · ★ · The reptile house: snakes Why would a cobra spread its hood instead of biting first? **Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** cobra · **What happens:** spread, bite · **To what, where:** hood This is test 10 · ★ 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/#t10). ## The question {#question} ```conllu # sent_id = question:biology:87-reptile-house-snakes:t10:1 # text = Why would a cobra spread its hood instead of biting first? 1 Why why ADV WRB PronType=Int 5 advmod _ _ 2 would would AUX MD VerbForm=Fin 5 aux _ _ 3 a a DET DT Definite=Ind|PronType=Art 4 det _ _ 4 cobra cobra NOUN NN Number=Sing 5 nsubj _ _ 5 spread spread VERB VBD Mood=Ind|Tense=Past|VerbForm=Fin 0 root _ _ 6 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 7 nmod:poss _ _ 7 hood hood NOUN NN Number=Sing 5 obj _ _ 8 instead instead ADV RB ExtPos=SCONJ 10 mark _ _ 9 of of ADP IN _ 8 fixed _ _ 10 biting bite VERB VBG Tense=Pres|VerbForm=Part 5 advcl _ _ 11 first first ADV RB NumForm=Word|NumType=Ord 10 advmod _ SpaceAfter=No 12 ? ? PUNCT . _ 5 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **spread** | would | a cobra | cobra's hood | | | | | vn appear-48.1.1 «PP.location V NP»: agent=Location hood=Theme | | 2 | **bite** | gerund | a cobra *not said here* | | | | | first *property* | vn swat-18.2 «NP V PP»: agent=Agent | 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} It wants you to come and stroke its hood ```conllu # sent_id = question:biology:87-reptile-house-snakes:t10:o1:1 # text = It wants you to come and stroke its hood 1 It it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 2 nsubj _ _ 2 wants want VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 you you PRON PRP Case=Acc|Person=2|PronType=Prs 2 obj _ _ 4 to to PART TO _ 5 mark _ _ 5 come come VERB VB VerbForm=Inf 2 xcomp _ _ 6 and and CCONJ CC _ 7 cc _ _ 7 stroke stroke VERB VB VerbForm=Inf 5 conj _ _ 8 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 9 nmod:poss _ _ 9 hood hood NOUN NN Number=Sing 7 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **want** | present | It | you | | | | | tree rules | | 2 | **come** *not said to happen* | to-infinitive | you *not said here* | | | | | | vn escape-51.1-1 «NP V»: agent=Theme | | 3 | **stroke** | infinitive | you *not said here* | its hood | | | | | vn touch-20-1 «NP V NP»: agent=Agent hood=Theme | ### Option 2 {#o2} It has no venom at all in its fangs ```conllu # sent_id = question:biology:87-reptile-house-snakes:t10:o2:1 # text = It has no venom at all in its fangs 1 It it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 2 nsubj _ _ 2 has have VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 3 no no DET DT PronType=Neg 4 det _ _ 4 venom venom NOUN NN Number=Sing 2 obj _ _ 5 at at ADP IN _ 6 case _ _ 6 all all DET DT PronType=Tot 4 nmod _ _ 7 in in ADP IN _ 9 case _ _ 8 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 9 nmod:poss _ _ 9 fangs fang NOUN NNS Number=Plur 6 nmod _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **have** | present | It | no venom | | all | | | vn birth-28.2-1 «NP V NP»: agent=Agent venom=Patient | ### Option 3 · ✓ the right answer {#o3} Scaring you off saves its venom ```conllu # sent_id = question:biology:87-reptile-house-snakes:t10:o3:1 # text = Scaring you off saves its venom 1 Scaring scare VERB VBG VerbForm=Ger 4 csubj _ _ 2 you you PRON PRP Case=Acc|Person=2|PronType=Prs 1 obj _ _ 3 off off ADP RP _ 1 compound:prt _ _ 4 saves save VERB VBZ Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin 0 root _ _ 5 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 6 nmod:poss _ _ 6 venom venom NOUN NN Number=Sing 4 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **scare off** | gerund | | you | | | | | vn amuse-31.1 «NP V NP»: agent=Stimulus you=Experiencer | | 2 | **save** | present | Scaring | its venom | | | | | vn get-13.5.1-1 «NP V NP»: agent=Agent venom=Theme | ### Option 4 {#o4} Its fangs are much too short to bite ```conllu # sent_id = question:biology:87-reptile-house-snakes:t10:o4:1 # text = Its fangs are much too short to bite 1 Its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 2 nmod:poss _ _ 2 fangs fang NOUN NNS Number=Plur 6 nsubj _ _ 3 are be AUX VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 6 cop _ _ 4 much much ADV RB _ 6 advmod _ _ 5 too too ADV RB _ 6 advmod _ _ 6 short short ADJ JJ Degree=Pos 0 root _ _ 7 to to PART TO _ 8 mark _ _ 8 bite bite VERB VB VerbForm=Inf 6 xcomp _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **is** | present | Its fangs | | | | | short *property* | tree rules | | 2 | **bite** | to-infinitive | Its fangs *not said here* | | | | | | vn swat-18.2 «NP V PP»: agent=Agent | **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 9](https://md.mova.elamur.ai/free/en/corpora/questions/biology/87-reptile-house-snakes/t9/) - next →: [The reptile house: snakes, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/biology/87-reptile-house-snakes/t11/) - ↑ back to [The reptile house: snakes](https://md.mova.elamur.ai/free/en/corpora/questions/biology/87-reptile-house-snakes/)