---
title: A red shrimp is lit by a white lamp on a submarine and looks bright… — The twilight zone: barreleyes, lantern… · tree and pragmatics
description: A red shrimp is lit by a white lamp on a submarine and looks bright red. Why is it hard to see in its own home? Test 4 · ★ of lesson 175 «The twilight zone: barreleyes, lanternfish and the biggest daily journey on Earth» of the biology course of Mova's primary school, with the dependency tree and pr
---

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# Test 4 · ★ · The twilight zone: barreleyes, lanternfish and the biggest…

<!-- .ven lang=en -->
A red shrimp is lit by a white lamp on a submarine and looks bright red. Why is it hard to see in its own home?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** white lamp · **What happens:** lit, look, be, see · **To what, where:** red shrimp, submarine, own home

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This is test 4 · ★ of lesson 175 «The twilight zone: barreleyes, lanternfish and the biggest daily journey on Earth» 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/175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth/#t4).

## The question {#question}

<!-- .note -->
*Sentence 1:* A red shrimp is lit by a white lamp on a submarine and looks bright red.

```conllu
# sent_id = question:biology:175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth:t4:1
# text = A red shrimp is lit by a white lamp on a submarine and looks bright red.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	red	red	ADJ	JJ	Degree=Pos	3	amod	_	_
3	shrimp	shrimp	NOUN	NN	Number=Sing	5	nsubj:pass	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux:pass	_	_
5	lit	lit	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
6	by	by	ADP	IN	_	9	case	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	white	white	ADJ	JJ	Degree=Pos	9	amod	_	_
9	lamp	lamp	NOUN	NN	Number=Sing	5	obl	_	_
10	on	on	ADP	IN	_	12	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	submarine	submarine	NOUN	NN	Number=Sing	5	obl	_	_
13	and	and	CCONJ	CC	_	14	cc	_	_
14	looks	look	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	_
15	bright	bright	ADJ	JJ	Degree=Pos	16	amod	_	_
16	red	red	ADJ	JJ	Degree=Pos	14	xcomp	_	SpaceAfter=No
17	.	.	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lit** | present · passive | a white lamp | a red shrimp |  | a submarine |  |  | tree rules |
| 2 | **look** | present | a white lamp *not said here* |  |  |  |  | red *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |

<!-- .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.

<!-- .note -->
*Sentence 2:* Why is it hard to see in its own home?

```conllu
# sent_id = question:biology:175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth:t4:2
# text = Why is it hard to see in its own home?
1	Why	why	ADV	WRB	PronType=Int	4	advmod	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	expl	_	_
4	hard	hard	ADJ	JJ	Degree=Pos	0	root	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	see	see	VERB	VB	VerbForm=Inf	4	xcomp	_	_
7	in	in	ADP	IN	_	10	case	_	_
8	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
9	own	own	ADJ	JJ	Degree=Pos	10	amod	_	_
10	home	home	NOUN	NN	Number=Sing	6	obl	_	SpaceAfter=No
11	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present |  |  |  |  |  | hard *property* | tree rules |
| 2 | **see** | to-infinitive |  |  |  | submarine's own home |  |  | vn comprehend-87.2-1-1 «NP V»: agent=Experiencer |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
It lives inside rocks

```conllu
# sent_id = question:biology:175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth:t4:o1:1
# text = It lives inside rocks
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	lives	live	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	inside	inside	ADP	IN	_	4	case	_	_
4	rocks	rock	NOUN	NNS	Number=Plur	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **live** | present | It |  |  | rocks |  |  | vn exist-47.1-1 «NP V PP.location»: agent=Theme inside rock=Location |

### Option 2 {#o2}

<!-- .ven lang=en -->
Fish there cannot see at all

```conllu
# sent_id = question:biology:175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth:t4:o2:1
# text = Fish there cannot see at all
1	Fish	fish	NOUN	NNS	Number=Plur	5	nsubj	_	_
2	there	there	PRON	EX	PronType=Dem	5	expl	_	_
3	can	can	AUX	MD	VerbForm=Fin	5	aux	_	SpaceAfter=No
4	not	not	PART	RB	Polarity=Neg	5	advmod	_	_
5	see	see	VERB	VB	VerbForm=Inf	0	root	_	_
6	at	at	ADP	IN	_	7	case	_	_
7	all	all	DET	DT	PronType=Tot	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **see** | can | Fish |  |  | all; there |  |  | vn comprehend-87.2-1-1 «NP V»: agent=Experiencer |

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

<!-- .ven lang=en -->
No red light reaches the deep, so it looks black there

```conllu
# sent_id = question:biology:175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth:t4:o3:1
# text = No red light reaches the deep, so it looks black there
1	No	no	DET	DT	PronType=Neg	3	det	_	_
2	red	red	ADJ	JJ	Degree=Pos	3	amod	_	_
3	light	light	NOUN	NN	Number=Sing	4	nsubj	_	_
4	reaches	reach	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	deep	deep	ADJ	JJ	Degree=Pos	4	obj	_	SpaceAfter=No
7	,	,	PUNCT	,	_	10	punct	_	_
8	so	so	ADV	RB	_	10	advmod	_	_
9	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	10	nsubj	_	_
10	looks	look	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
11	black	black	ADJ	JJ	Degree=Pos	10	xcomp	_	_
12	there	there	ADV	RB	PronType=Dem	10	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reach** | present | no red light | the deep |  |  |  |  | vn body\_motion-49.2-1-1 «NP V NP ADV»: agent=Agent deep=Theme |
| 2 | **look** | present | light |  |  | there |  | black *property* | vn stimulus\_subject-30.4 «NP V ADJ»: agent=Stimulus |

### Option 4 {#o4}

<!-- .ven lang=en -->
It turns blue when the lamp goes off

```conllu
# sent_id = question:biology:175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth:t4:o4:1
# text = It turns blue when the lamp goes off
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	blue	blue	ADJ	JJ	Degree=Pos	2	xcomp	_	_
4	when	when	SCONJ	WRB	_	7	mark	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	lamp	lamp	NOUN	NN	Number=Sing	7	nsubj	_	_
7	goes	go	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
8	off	off	ADP	RP	_	7	compound:prt	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn** | present | It |  |  |  |  | blue *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 2 | **go off** | present | the lamp |  |  |  |  |  | vn occur-48.3-2 «NP V ADV»: agent=Theme |

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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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