---
title: Identify the phenomenon which is acknowledged to constitute the larg… — The twilight zone: barreleyes, lantern… · tree and pragmatics
description: Identify the phenomenon which is acknowledged to constitute the largest movement of animals upon Earth. Exam question 1 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 pragm
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/biology/175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth/e1/)

<!-- crumbs -->
[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/) / [The twilight zone: barreleyes, lantern…](https://md.mova.elamur.ai/free/en/corpora/questions/biology/175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth/) / e1

# Exam question 1 · The twilight zone: barreleyes, lanternfish and the biggest…

<!-- .ven lang=en -->
Identify the phenomenon which is acknowledged to constitute the largest movement of animals upon Earth.

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** you · **What happens:** identify, acknowledge, constitute, move · **To what, where:** phenomenon, largest movement, animals

<!-- .vabout -->
This is exam question 1 of lesson 175 «The twilight zone: barreleyes, lanternfish and the biggest daily journey on Earth» 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/175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth/#e1).

## The question {#question}

```conllu
# sent_id = question:biology:175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth:e1:1
# text = Identify the phenomenon which is acknowledged to constitute the largest movement of animals upon Earth.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	phenomenon	phenomenon	NOUN	NN	Number=Sing	1	obj	_	_
4	which	which	PRON	WDT	PronType=Rel	6	nsubj:pass	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux:pass	_	_
6	acknowledged	acknowledge	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	acl:relcl	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	constitute	constitute	VERB	VB	VerbForm=Inf	6	xcomp	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
10	largest	large	ADJ	JJS	Degree=Sup	11	amod	_	_
11	movement	movement	NOUN	NN	Number=Sing	8	obj	_	_
12	of	of	ADP	IN	_	13	case	_	_
13	animals	animal	NOUN	NNS	Number=Plur	11	nmod	_	_
14	upon	upon	ADP	IN	_	15	case	_	_
15	Earth	Earth	PROPN	NNP	Number=Sing	13	nmod	_	SpaceAfter=No
16	.	.	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 phenomenon |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent phenomenon=Theme |
| 2 | **acknowledge** | present · passive |  | the phenomenon |  |  |  |  | tree rules |
| 3 | **constitute** | to-infinitive |  | the largest movement of animals upon Earth |  |  |  |  | vn comprise-107.2-1 «NP V NP»: agent=Theme movement=Pivot |
| 4 | **move** |  |  | animals upon Earth |  |  |  |  | nom movement «act transitive»: of=patient |

<!-- .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 -->
The migration of salmon up rivers

```conllu
# sent_id = question:biology:175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth:e1:o1:1
# text = The migration of salmon up rivers
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	migration	migration	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	salmon	salmon	NOUN	NN	Number=Sing	2	nmod	_	_
5	up	up	ADP	IN	_	6	case	_	_
6	rivers	river	NOUN	NNS	Number=Plur	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **migrate** |  | salmon |  |  |  |  | up rivers | nom migration «act intransitive»: of=agent up=obl |

### Option 2 {#o2}

<!-- .ven lang=en -->
The seasonal migration of wildebeest

```conllu
# sent_id = question:biology:175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth:e1:o2:1
# text = The seasonal migration of wildebeest
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	seasonal	seasonal	ADJ	JJ	Degree=Pos	3	amod	_	_
3	migration	migration	NOUN	NN	Number=Sing	0	root	_	_
4	of	of	ADP	IN	_	5	case	_	_
5	wildebeest	wildebeest	NOUN	NN	Number=Sing	3	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **migrate** |  | wildebeest |  |  |  |  |  | nom migration «act intransitive»: of=agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
The annual flight of swallows to Africa

```conllu
# sent_id = question:biology:175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth:e1:o3:1
# text = The annual flight of swallows to Africa
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	annual	annual	ADJ	JJ	Degree=Pos	3	amod	_	_
3	flight	flight	NOUN	NN	Number=Sing	0	root	_	_
4	of	of	ADP	IN	_	5	case	_	_
5	swallows	swallow	NOUN	NNS	Number=Plur	3	nmod	_	_
6	to	to	ADP	IN	_	7	case	_	_
7	Africa	Africa	PROPN	NNP	Number=Sing	5	nmod	_	_
```

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

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
The nightly ascent and dawn descent of animals of the twilight zone

```conllu
# sent_id = question:biology:175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth:e1:o4:1
# text = The nightly ascent and dawn descent of animals of the twilight zone
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	nightly	nightly	ADJ	JJ	Degree=Pos	3	amod	_	_
3	ascent	ascent	NOUN	NN	Number=Sing	0	root	_	_
4	and	and	CCONJ	CC	_	6	cc	_	_
5	dawn	dawn	NOUN	NN	Number=Sing	6	compound	_	_
6	descent	descent	NOUN	NN	Number=Sing	3	conj	_	_
7	of	of	ADP	IN	_	8	case	_	_
8	animals	animal	NOUN	NNS	Number=Plur	6	nmod	_	_
9	of	of	ADP	IN	_	12	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
11	twilight	twilight	NOUN	NN	Number=Sing	12	compound	_	_
12	zone	zone	NOUN	NN	Number=Sing	8	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **descend** |  | animals of the twilight zone |  |  |  |  |  | nom descent «event intransitive»: of=agent |

<!-- div src -->

**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 -->

<!-- pn -->
- ← previous: [The twilight zone: barreleyes, lantern…, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/biology/175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth/t11/)
- next →: [The twilight zone: barreleyes, lantern…, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth/e2/)
- ↑ back to [The twilight zone: barreleyes, lanternfish and the biggest daily journey on Earth](https://md.mova.elamur.ai/free/en/corpora/questions/biology/175-the-twilight-zone-barreleyes-lanternfish-and-the-biggest-daily-journey-on-earth/)