---
title: Ascertain the reason for which sea turtles are observed to ingest fl… — Finding Nemo: real blue tangs, sea tur… · tree and pragmatics
description: Ascertain the reason for which sea turtles are observed to ingest floating plastic bags. Exam question 4 of lesson 133 «Finding Nemo: real blue tangs, sea turtles and reef creatures» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each o
---

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# Exam question 4 · Finding Nemo: real blue tangs, sea turtles and reef creatu…

<!-- .ven lang=en -->
Ascertain the reason for which sea turtles are observed to ingest floating plastic bags.

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you · **What happens:** ascertain, observe, ingest, float · **To what, where:** reason, sea turtles, floating plastic bags

<!-- .vabout -->
This is exam question 4 of lesson 133 «Finding Nemo: real blue tangs, sea turtles and reef creatures» of the biology course of Mova's primary school, asked in stiff, formal language. 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/133-finding-nemo-dory-turtles-and-the-reef/#e4).

## The question {#question}

```conllu
# sent_id = question:biology:133-finding-nemo-dory-turtles-and-the-reef:e4:1
# text = Ascertain the reason for which sea turtles are observed to ingest floating plastic bags.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	reason	reason	NOUN	NN	Number=Sing	1	obj	_	_
4	for	for	ADP	IN	_	5	case	_	_
5	which	which	PRON	WDT	PronType=Rel	9	obl	_	_
6	sea	sea	NOUN	NN	Number=Sing	7	compound	_	_
7	turtles	turtle	NOUN	NNS	Number=Plur	9	nsubj:pass	_	_
8	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	aux:pass	_	_
9	observed	observe	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl:relcl	_	_
10	to	to	PART	TO	_	11	mark	_	_
11	ingest	ingest	VERB	VB	VerbForm=Inf	9	xcomp	_	_
12	floating	float	VERB	VBG	VerbForm=Ger	14	amod	_	_
13	plastic	plastic	ADJ	JJ	Degree=Pos	14	amod	_	_
14	bags	bag	NOUN	NNS	Number=Plur	11	obj	_	SpaceAfter=No
15	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | the reason |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent reason=Topic |
| 2 | **observe** | present · passive |  | sea turtles |  |  |  | for the reason | tree rules |
| 3 | **ingest** | to-infinitive |  | floating plastic bags |  |  |  |  | vn absorb-39.8 «NP V NP»: agent=Goal bag=Theme |
| 4 | **float** | gerund |  |  |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |

<!-- .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 -->
Sea turtles employ such bags in the construction of nests

```conllu
# sent_id = question:biology:133-finding-nemo-dory-turtles-and-the-reef:e4:o1:1
# text = Sea turtles employ such bags in the construction of nests
1	Sea	sea	NOUN	NN	Number=Sing	2	compound	_	_
2	turtles	turtle	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	employ	employ	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	such	such	ADJ	JJ	Degree=Pos	5	amod	_	_
5	bags	bag	NOUN	NNS	Number=Plur	3	obj	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	construction	construction	NOUN	NN	Number=Sing	3	obl	_	_
9	of	of	ADP	IN	_	10	case	_	_
10	nests	nest	NOUN	NNS	Number=Plur	8	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **employ** | present | Sea turtles | such bags |  | the construction of nests |  |  | vn hire-13.5.3 «NP V NP»: agent=Agent bag=Theme |
| 2 | **construct** |  |  | nests |  |  |  |  | nom construction «act transitive»: of=patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
Such bags possess a sweet taste attractive to sea turtles

```conllu
# sent_id = question:biology:133-finding-nemo-dory-turtles-and-the-reef:e4:o2:1
# text = Such bags possess a sweet taste attractive to sea turtles
1	Such	such	ADJ	JJ	Degree=Pos	2	amod	_	_
2	bags	bag	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	possess	possess	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	sweet	sweet	ADJ	JJ	Degree=Pos	6	amod	_	_
6	taste	taste	NOUN	NN	Number=Sing	3	obj	_	_
7	attractive	attractive	ADJ	JJ	Degree=Pos	6	amod	_	_
8	to	to	ADP	IN	_	10	case	_	_
9	sea	sea	NOUN	NN	Number=Sing	10	compound	_	_
10	turtles	turtle	NOUN	NNS	Number=Plur	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **possess** | present | Such bags | a sweet taste |  |  |  |  | vn own-100.1 «NP V NP»: agent=Pivot taste=Theme |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Such bags resemble jellyfish, which form part of the diet of sea turtles

```conllu
# sent_id = question:biology:133-finding-nemo-dory-turtles-and-the-reef:e4:o3:1
# text = Such bags resemble jellyfish, which form part of the diet of sea turtles
1	Such	such	ADJ	JJ	Degree=Pos	2	amod	_	_
2	bags	bag	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	resemble	resemble	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	jellyfish	jellyfish	NOUN	NN	Number=Sing	3	obj	_	SpaceAfter=No
5	,	,	PUNCT	,	_	7	punct	_	_
6	which	which	PRON	WDT	PronType=Rel	7	nsubj	_	_
7	form	form	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	acl:relcl	_	_
8	part	part	NOUN	NN	Number=Sing	7	obj	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	diet	diet	NOUN	NN	Number=Sing	8	nmod	_	_
12	of	of	ADP	IN	_	14	case	_	_
13	sea	sea	NOUN	NN	Number=Sing	14	compound	_	_
14	turtles	turtle	NOUN	NNS	Number=Plur	11	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **resemble** | present | Such bags | jellyfish |  |  |  |  | tree rules |
| 2 | **form** | present | jellyfish | part of the diet of sea turtles |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location part=Theme |

### Option 4 · ← Mova's choice {#o4}

<!-- .ven lang=en -->
Sea turtles mistake such bags for beds of seaweed

```conllu
# sent_id = question:biology:133-finding-nemo-dory-turtles-and-the-reef:e4:o4:1
# text = Sea turtles mistake such bags for beds of seaweed
1	Sea	sea	NOUN	NN	Number=Sing	2	compound	_	_
2	turtles	turtle	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	mistake	mistake	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	such	such	ADJ	JJ	Degree=Pos	5	amod	_	_
5	bags	bag	NOUN	NNS	Number=Plur	3	obj	_	_
6	for	for	ADP	IN	_	7	case	_	_
7	beds	bed	NOUN	NNS	Number=Plur	3	obl	_	_
8	of	of	ADP	IN	_	9	case	_	_
9	seaweed	seaweed	NOUN	NN	Number=Sing	7	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **mistake** | present | Sea turtles | such bags |  |  |  | for beds of seaweed | tree rules |

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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.

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