---
title: «how does a fish bite without teeth lol» How did Dunkleosteus do it? — Megalodon and the giants of the sea, p… · tree and pragmatics
description: «how does a fish bite without teeth lol» How did Dunkleosteus do it? Test 7 · ★ of lesson 273 «Megalodon and the giants of the sea, past and present» 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 right.
---

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# Test 7 · ★ · Megalodon and the giants of the sea, past and present

<!-- .ven lang=en -->
«how does a fish bite without teeth lol» How did Dunkleosteus do it?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** Dunkleosteus · **What happens:** do · **To what, where:** bite

<!-- .vabout -->
This is test 7 · ★ of lesson 273 «Megalodon and the giants of the sea, past and present» 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/273-megalodon-and-the-giants-of-the-sea/#t7).

## The question {#question}

```conllu
# sent_id = question:biology:273-megalodon-and-the-giants-of-the-sea:t7:1
# text = «how does a fish bite without teeth lol» How did Dunkleosteus do it?
1	«	«	PUNCT	``	_	3	punct	_	SpaceAfter=No
2	how	how	ADV	WRB	PronType=Int	3	advmod	_	_
3	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	14	aux	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	fish	fish	NOUN	NN	Number=Sing	6	compound	_	_
6	bite	bite	NOUN	NN	Number=Sing	3	obj	_	_
7	without	without	ADP	IN	_	8	case	_	_
8	teeth	tooth	NOUN	NNS	Number=Plur	6	nmod	_	_
9	lol	lol	INTJ	UH	_	3	discourse	_	SpaceAfter=No
10	»	»	PUNCT	''	_	3	punct	_	_
11	How	how	ADV	WRB	PronType=Int	14	advmod	_	_
12	did	do	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	14	aux	_	_
13	Dunkleosteus	Dunkleosteus	PROPN	NNP	Number=Sing	14	nsubj	_	_
14	do	do	VERB	VB	VerbForm=Inf	0	root	_	_
15	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	obj	_	SpaceAfter=No
16	?	?	PUNCT	.	_	14	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | present · do-support | Dunkleosteus | bite |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent it=Eventuality |

<!-- .note -->
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 {#o1}

<!-- .ven lang=en -->
It used its tail

```conllu
# sent_id = question:biology:273-megalodon-and-the-giants-of-the-sea:t7:o1:1
# text = It used its tail
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	used	use	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	4	nmod:poss	_	_
4	tail	tail	NOUN	NN	Number=Sing	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use** | past | It | its tail |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent tail=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
It sucked prey in like a vacuum

```conllu
# sent_id = question:biology:273-megalodon-and-the-giants-of-the-sea:t7:o2:1
# text = It sucked prey in like a vacuum
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	expl	_	_
2	sucked	suck	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	prey	prey	NOUN	NN	Number=Sing	2	obj	_	_
4	in	in	ADP	IN	_	7	case	_	_
5	like	like	ADP	IN	_	7	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	vacuum	vacuum	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **suck** | past |  | It |  | a vacuum |  |  | vn wipe\_manner-10.4.1-1 «NP V NP.source»: agent=Agent prey=Source |

### Option 3 · ← Mova's choice · ✓ the right answer {#o3}

<!-- .ven lang=en -->
With sharp bony blades in its jaws

```conllu
# sent_id = question:biology:273-megalodon-and-the-giants-of-the-sea:t7:o3:1
# text = With sharp bony blades in its jaws
1	With	with	ADP	IN	_	4	case	_	_
2	sharp	sharp	ADJ	JJ	Degree=Pos	4	amod	_	_
3	bony	bony	ADJ	JJ	Degree=Pos	4	amod	_	_
4	blades	blade	NOUN	NNS	Number=Plur	0	root	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	jaws	jaw	NOUN	NNS	Number=Plur	4	nmod	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 {#o4}

<!-- .ven lang=en -->
It did not bite at all

```conllu
# sent_id = question:biology:273-megalodon-and-the-giants-of-the-sea:t7:o4:1
# text = It did not bite at all
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	did	do	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	bite	bite	VERB	VB	VerbForm=Inf	0	root	_	_
5	at	at	ADP	IN	_	6	case	_	_
6	all	all	DET	DT	PronType=Tot	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **bite** | past · do-support | It |  |  |  |  | at all | vn swat-18.2 «NP V PP»: agent=Agent at all=Patient |

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**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.

<!-- /div -->

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- ← previous: [Megalodon and the giants of the sea, p…, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/biology/273-megalodon-and-the-giants-of-the-sea/t6/)
- next →: [Megalodon and the giants of the sea, p…, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/biology/273-megalodon-and-the-giants-of-the-sea/t8/)
- ↑ back to [Megalodon and the giants of the sea, past and present](https://md.mova.elamur.ai/free/en/corpora/questions/biology/273-megalodon-and-the-giants-of-the-sea/)