---
title: Identify the source of the luminescence emitted by the lure of the d… — The ocean: open sea, sunlit zone and t… · tree and pragmatics
description: Identify the source of the luminescence emitted by the lure of the deep-sea anglerfish. Exam question 2 of lesson 8 «The ocean: open sea, sunlit zone and the deep dark» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's 
---

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# Exam question 2 · The ocean: open sea, sunlit zone and the deep dark

<!-- .ven lang=en -->
Identify the source of the luminescence emitted by the lure of the deep-sea anglerfish.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** you · **What happens:** identify, emit · **To what, where:** source, luminescence

<!-- .vabout -->
This is exam question 2 of lesson 8 «The ocean: open sea, sunlit zone and the deep dark» 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/8-the-ocean/#e2).

## The question {#question}

```conllu
# sent_id = question:biology:8-the-ocean:e2:1
# text = Identify the source of the luminescence emitted by the lure of the deep-sea anglerfish.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	source	source	NOUN	NN	Number=Sing	1	obj	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	luminescence	luminescence	NOUN	NN	Number=Sing	3	nmod	_	_
7	emitted	emit	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
8	by	by	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	lure	lure	NOUN	NN	Number=Sing	7	obl	_	_
11	of	of	ADP	IN	_	16	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
13	deep	deep	ADJ	JJ	Degree=Pos	15	amod	_	SpaceAfter=No
14	-	-	PUNCT	HYPH	_	13	punct	_	SpaceAfter=No
15	sea	sea	NOUN	NN	Number=Sing	16	compound	_	_
16	anglerfish	anglerfish	NOUN	NNS	Number=Plur	10	nmod	_	SpaceAfter=No
17	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the source of the luminescence |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent source=Theme |
| 2 | **emit** | participle |  | the luminescence *not said here* |  |  |  | by the lure of the sea anglerfish | vn substance\_emission-43.4 «NP V NP»: agent=Source |

<!-- .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 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Bacteria resident within the lure

```conllu
# sent_id = question:biology:8-the-ocean:e2:o1:1
# text = Bacteria resident within the lure
1	Bacteria	bacteria	NOUN	NN	Number=Sing	2	compound	_	_
2	resident	resident	NOUN	NN	Number=Sing	0	root	_	_
3	within	within	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	lure	lure	NOUN	NN	Number=Sing	2	nmod	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
Sunlight absorbed in shallow water

```conllu
# sent_id = question:biology:8-the-ocean:e2:o2:1
# text = Sunlight absorbed in shallow water
1	Sunlight	sunlight	NOUN	NN	Number=Sing	0	root	_	_
2	absorbed	absorb	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	1	acl	_	_
3	in	in	ADP	IN	_	5	case	_	_
4	shallow	shallow	ADJ	JJ	Degree=Pos	5	amod	_	_
5	water	water	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **absorb** | participle |  | Sunlight *not said here* |  | shallow water |  |  | vn absorb-39.8 «NP V NP»: agent=Goal |

### Option 3 {#o3}

<!-- .ven lang=en -->
Reflection of the light of other fishes

```conllu
# sent_id = question:biology:8-the-ocean:e2:o3:1
# text = Reflection of the light of other fishes
1	Reflection	reflection	NOUN	NN	Number=Sing	0	root	_	_
2	of	of	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	light	light	NOUN	NN	Number=Sing	1	nmod	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	other	other	ADJ	JJ	Degree=Pos	7	amod	_	_
7	fishes	fish	NOUN	NNS	Number=Plur	4	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **light** |  |  | other fishes |  |  |  |  | nom light «phenomenon transitive»: of=patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
An electrical organ within the jaw

```conllu
# sent_id = question:biology:8-the-ocean:e2:o4:1
# text = An electrical organ within the jaw
1	An	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	electrical	electrical	ADJ	JJ	Degree=Pos	3	amod	_	_
3	organ	organ	NOUN	NN	Number=Sing	0	root	_	_
4	within	within	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	jaw	jaw	NOUN	NN	Number=Sing	3	nmod	_	_
```

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

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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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- ← previous: [The ocean: open sea, sunlit zone and t…, exam 1](https://md.mova.elamur.ai/free/en/corpora/questions/biology/8-the-ocean/e1/)
- next →: [The ocean: open sea, sunlit zone and t…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/biology/8-the-ocean/e3/)
- ↑ back to [The ocean: open sea, sunlit zone and the deep dark](https://md.mova.elamur.ai/free/en/corpora/questions/biology/8-the-ocean/)