---
title: Identify the principal reason for which the tropics remain hot throu… — Climate zones · tree and pragmatics
description: Identify the principal reason for which the tropics remain hot throughout the year. Exam question 2 of lesson 16 «Climate zones» of the world 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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# Exam question 2 · Climate zones

<!-- .ven lang=en -->
Identify the principal reason for which the tropics remain hot throughout the year.

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** you, tropics · **What happens:** identify, remain · **To what, where:** principal reason

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This is exam question 2 of lesson 16 «Climate zones» of the world 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/world/16-climate-zones/#e2).

## The question {#question}

```conllu
# sent_id = question:world:16-climate-zones:e2:1
# text = Identify the principal reason for which the tropics remain hot throughout the year.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	principal	principal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	reason	reason	NOUN	NN	Number=Sing	1	obj	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	which	which	PRON	WDT	PronType=Rel	9	obl	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	tropics	tropic	NOUN	NNS	Number=Plur	9	nsubj	_	_
9	remain	remain	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	acl:relcl	_	_
10	hot	hot	ADJ	JJ	Degree=Pos	9	xcomp	_	_
11	throughout	throughout	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	year	year	NOUN	NN	Number=Sing	10	obl	_	SpaceAfter=No
14	.	.	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 principal reason |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent reason=Theme |
| 2 | **remain** | present | the tropics |  |  |  |  | for the principal reason; hot *property* | vn exist-47.1 «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 -->
They lie nearest to the Sun in distance

```conllu
# sent_id = question:world:16-climate-zones:e2:o1:1
# text = They lie nearest to the Sun in distance
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	lie	lie	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	nearest	near	ADJ	JJS	Degree=Sup	2	parataxis	_	_
4	to	to	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	Sun	Sun	PROPN	NNP	Number=Sing	2	obl	_	_
7	in	in	ADP	IN	_	8	case	_	_
8	distance	distance	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lie** | present | They |  |  |  |  | to the Sun; in distance | vn assuming\_position-50 «NP V PP.location»: agent=Agent in distance=Location |

### Option 2 {#o2}

<!-- .ven lang=en -->
They are surrounded by warm oceans alone

```conllu
# sent_id = question:world:16-climate-zones:e2:o2:1
# text = They are surrounded by warm oceans alone
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	surrounded	surround	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	by	by	ADP	IN	_	6	case	_	_
5	warm	warm	ADJ	JJ	Degree=Pos	6	amod	_	_
6	oceans	ocean	NOUN	NNS	Number=Plur	3	obl:agent	_	_
7	alone	alone	ADV	RB	_	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **surround** | present · passive | warm oceans | They |  |  |  | alone *property* | vn contiguous\_location-47.8 «NP V NP»: agent=Theme subject=Co-Theme |

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

<!-- .ven lang=en -->
The rays of the Sun strike them most directly

```conllu
# sent_id = question:world:16-climate-zones:e2:o3:1
# text = The rays of the Sun strike them most directly
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	rays	ray	NOUN	NNS	Number=Plur	6	nsubj	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	Sun	Sun	PROPN	NNP	Number=Sing	2	nmod	_	_
6	strike	strike	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
7	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	6	obj	_	_
8	most	most	ADV	RBS	Degree=Sup	9	advmod	_	_
9	directly	directly	ADV	RB	_	6	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **strike** | present | the rays of the Sun | them *= they* |  |  |  | directly *property* | vn hit-18.1-1 «NP V NP»: agent=Agent they=Patient |
| 2 | **ray** |  |  | the Sun |  |  |  |  | nom ray «phenomenon transitive»: of=patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
They receive heat from the Earth's interior

```conllu
# sent_id = question:world:16-climate-zones:e2:o4:1
# text = They receive heat from the Earth's interior
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	receive	receive	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	heat	heat	NOUN	NN	Number=Sing	2	obj	_	_
4	from	from	ADP	IN	_	8	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	Earth	Earth	PROPN	NNP	Number=Sing	8	nmod:poss	_	SpaceAfter=No
7	's	's	PART	POS	_	6	case	_	_
8	interior	interior	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **receive** | present | They | heat |  | the Earth's interior |  |  | vn obtain-13.5.2 «NP V NP PP.source»: agent=Agent heat=Theme from interior=Source |

<!-- 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.

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