--- title: What would happen if a dolphin's lower jaw could not pass sound? — Echolocation in the sea and in people:… · tree and pragmatics description: What would happen if a dolphin's lower jaw could not pass sound? Test 4 · ★★ of lesson 230 «Echolocation in the sea and in people: dolphins, whales, swiftlets and clicking humans» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each opti --- [Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/230-echolocation-in-the-sea-and-in-people-dolphins-whales-swiftlets-and-clicking-humans/t4/) [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/) / [Echolocation in the sea and in people:…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/230-echolocation-in-the-sea-and-in-people-dolphins-whales-swiftlets-and-clicking-humans/) / t4 # Test 4 · ★★ · Echolocation in the sea and in people: dolphins, whales, s… What would happen if a dolphin's lower jaw could not pass sound? **Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** lower jaw · **What happens:** happen, not pass · **To what, where:** sound This is test 4 · ★★ of lesson 230 «Echolocation in the sea and in people: dolphins, whales, swiftlets and clicking humans» 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/230-echolocation-in-the-sea-and-in-people-dolphins-whales-swiftlets-and-clicking-humans/#t4). ## The question {#question} ```conllu # sent_id = question:biology:230-echolocation-in-the-sea-and-in-people-dolphins-whales-swiftlets-and-clicking-humans:t4:1 # text = What would happen if a dolphin's lower jaw could not pass sound? 1 What what PRON WP PronType=Int 3 nsubj _ _ 2 would would AUX MD VerbForm=Fin 3 aux _ _ 3 happen happen VERB VB VerbForm=Inf 0 root _ _ 4 if if SCONJ IN _ 12 mark _ _ 5 a a DET DT Definite=Ind|PronType=Art 6 det _ _ 6 dolphin dolphin NOUN NN Number=Sing 9 nmod:poss _ SpaceAfter=No 7 's 's PART POS _ 6 case _ _ 8 lower low ADJ JJR Degree=Cmp 9 amod _ _ 9 jaw jaw NOUN NN Number=Sing 12 nsubj _ _ 10 could could AUX MD VerbForm=Fin 12 aux _ _ 11 not not PART RB Polarity=Neg 12 advmod _ _ 12 pass pass VERB VB VerbForm=Inf 3 advcl _ _ 13 sound sound NOUN NN Number=Sing 12 obj _ SpaceAfter=No 14 ? ? PUNCT . _ 3 punct _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **happen** | would | | | | | | | vn occur-48.3-1 «NP V»: agent=Theme | | 2 | **not** **pass** *a condition, not said to happen* | could | a dolphin's lower jaw | sound | | | | | vn escape-51.1-1-3 «NP V NP»: agent=Theme sound=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. ## The options {#options} ### Option 1 · ← Mova's choice · ✓ the right answer {#o1} It would hear its echoes badly and find food harder ```conllu # sent_id = question:biology:230-echolocation-in-the-sea-and-in-people-dolphins-whales-swiftlets-and-clicking-humans:t4:o1:1 # text = It would hear its echoes badly and find food harder 1 It it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 3 nsubj _ _ 2 would would AUX MD VerbForm=Fin 3 aux _ _ 3 hear hear VERB VB VerbForm=Inf 0 root _ _ 4 its its PRON PRP$ Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs 5 nmod:poss _ _ 5 echoes echo NOUN NNS Number=Plur 3 obj _ _ 6 badly badly ADV RB Degree=Pos 3 advmod _ _ 7 and and CCONJ CC _ 8 cc _ _ 8 find find VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 3 conj _ _ 9 food food NOUN NN Number=Sing 8 obj _ _ 10 harder hard ADJ JJR Degree=Cmp 8 xcomp _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **hear** | would | It | its echoes | | | | badly *property* | vn see-30.1-1-1 «NP V S»: agent=Experiencer echo=Stimulus | | 2 | **find** | present | | food | | | | hard *property* | vn discover-84 «NP V NP»: agent=Agent food=Topic | ### Option 2 {#o2} It could no longer breathe ```conllu # sent_id = question:biology:230-echolocation-in-the-sea-and-in-people-dolphins-whales-swiftlets-and-clicking-humans:t4:o2:1 # text = It could no longer breathe 1 It it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 5 nsubj _ _ 2 could could AUX MD VerbForm=Fin 5 aux _ _ 3 no no ADV RB _ 4 advmod _ _ 4 longer long ADV RBR Degree=Cmp 5 advmod _ _ 5 breathe breathe VERB VB VerbForm=Inf 0 root _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **breathe** | could | It | | | | | long *property* | vn breathe-40.1.2-1 «NP V»: agent=Agent | ### Option 3 {#o3} Nothing, because dolphins hear only through their tails ```conllu # sent_id = question:biology:230-echolocation-in-the-sea-and-in-people-dolphins-whales-swiftlets-and-clicking-humans:t4:o3:1 # text = Nothing, because dolphins hear only through their tails 1 Nothing nothing PRON NN Number=Sing|PronType=Neg 0 root _ SpaceAfter=No 2 , , PUNCT , _ 5 punct _ _ 3 because because SCONJ IN _ 5 mark _ _ 4 dolphins dolphin NOUN NNS Number=Plur 5 nsubj _ _ 5 hear hear VERB VBP Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin 1 parataxis _ _ 6 only only ADV RB _ 9 advmod _ _ 7 through through ADP IN _ 9 case _ _ 8 their their PRON PRP$ Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs 9 nmod:poss _ _ 9 tails tail NOUN NNS Number=Plur 5 obj _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **hear** | present | dolphins | dolphins's tails | | | | | vn see-30.1-1-1 «NP V S»: agent=Experiencer tail=Stimulus | ### Option 4 {#o4} It would swim backwards ```conllu # sent_id = question:biology:230-echolocation-in-the-sea-and-in-people-dolphins-whales-swiftlets-and-clicking-humans:t4:o4:1 # text = It would swim backwards 1 It it PRON PRP Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs 3 nsubj _ _ 2 would would AUX MD VerbForm=Fin 3 aux _ _ 3 swim swim VERB VB VerbForm=Inf 0 root _ _ 4 backwards backwards ADV RB _ 3 advmod _ _ ``` | # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by | | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | | 1 | **swim** | would | It | | | | | backwards *property* | vn run-51.3.2-1 «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: [Echolocation in the sea and in people:…, test 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/230-echolocation-in-the-sea-and-in-people-dolphins-whales-swiftlets-and-clicking-humans/t3/) - next →: [Echolocation in the sea and in people:…, test 5](https://md.mova.elamur.ai/free/en/corpora/questions/biology/230-echolocation-in-the-sea-and-in-people-dolphins-whales-swiftlets-and-clicking-humans/t5/) - ↑ back to [Echolocation in the sea and in people: dolphins, whales, swiftlets and clicking humans](https://md.mova.elamur.ai/free/en/corpora/questions/biology/230-echolocation-in-the-sea-and-in-people-dolphins-whales-swiftlets-and-clicking-humans/)