---
title: Identify the principal reason for the occurrence of the seasons upon… — The seasons and the tilt of the axis · tree and pragmatics
description: Identify the principal reason for the occurrence of the seasons upon the Earth. Exam question 1 of lesson 2 «The seasons and the tilt of the axis» 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 1 · The seasons and the tilt of the axis

<!-- .ven lang=en -->
Identify the principal reason for the occurrence of the seasons upon the Earth.

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

<!-- .vabout -->
This is exam question 1 of lesson 2 «The seasons and the tilt of the axis» 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/2-seasons-and-the-tilt/#e1).

## The question {#question}

```conllu
# sent_id = question:world:2-seasons-and-the-tilt:e1:1
# text = Identify the principal reason for the occurrence of the seasons upon the Earth.
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	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	occurrence	occurrence	NOUN	NN	Number=Sing	4	nmod	_	_
8	of	of	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	seasons	season	NOUN	NNS	Number=Plur	7	nmod	_	_
11	upon	upon	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	Earth	Earth	PROPN	NNP	Number=Sing	10	nmod	_	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 |  |  |  | for the occurrence of the seasons upon the Earth | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent reason=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 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
The inclination of the Earth's axis relative to its orbit

```conllu
# sent_id = question:world:2-seasons-and-the-tilt:e1:o1:1
# text = The inclination of the Earth's axis relative to its orbit
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	inclination	inclination	NOUN	NN	Number=Sing	8	nsubj	_	_
3	of	of	ADP	IN	_	7	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	Earth	Earth	PROPN	NNP	Number=Sing	7	nmod:poss	_	SpaceAfter=No
6	's	's	PART	POS	_	5	case	_	_
7	axis	axis	NOUN	NN	Number=Sing	2	nmod	_	_
8	relative	relative	NOUN	NN	Number=Sing	0	root	_	_
9	to	to	ADP	IN	_	11	case	_	_
10	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
11	orbit	orbit	NOUN	NN	Number=Sing	8	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **incline** |  | the Earth's axis |  |  |  |  |  | nom inclination «cognition intransitive»: of=agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
The alteration in the Sun's emission of heat

```conllu
# sent_id = question:world:2-seasons-and-the-tilt:e1:o2:1
# text = The alteration in the Sun's emission of heat
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	alteration	alteration	NOUN	NN	Number=Sing	0	root	_	_
3	in	in	ADP	IN	_	7	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	Sun	Sun	PROPN	NNP	Number=Sing	7	nmod:poss	_	SpaceAfter=No
6	's	's	PART	POS	_	5	case	_	_
7	emission	emission	NOUN	NN	Number=Sing	2	nmod	_	_
8	of	of	ADP	IN	_	9	case	_	_
9	heat	heat	NOUN	NN	Number=Sing	7	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **emit** |  | the Sun | heat |  |  |  |  | nom emission «act transitive»: poss=agent of=patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
The variation in distance between the Earth and the Sun during the year

```conllu
# sent_id = question:world:2-seasons-and-the-tilt:e1:o3:1
# text = The variation in distance between the Earth and the Sun during the year
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	variation	variation	NOUN	NN	Number=Sing	0	root	_	_
3	in	in	ADP	IN	_	4	case	_	_
4	distance	distance	NOUN	NN	Number=Sing	2	nmod	_	_
5	between	between	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	Earth	Earth	PROPN	NNP	Number=Sing	4	nmod	_	_
8	and	and	CCONJ	CC	_	10	cc	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	Sun	Sun	PROPN	NNP	Number=Sing	7	conj	_	_
11	during	during	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	year	year	NOUN	NN	Number=Sing	2	nmod	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
The passage of the Moon around the Earth

```conllu
# sent_id = question:world:2-seasons-and-the-tilt:e1:o4:1
# text = The passage of the Moon around the Earth
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	passage	passage	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	Moon	Moon	PROPN	NNP	Number=Sing	2	nmod	_	_
6	around	around	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	Earth	Earth	PROPN	NNP	Number=Sing	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **pass** |  | the Moon |  |  | the Earth |  |  | nom passage «act intransitive»: of=agent around=place |

<!-- 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 -->

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- ← previous: [The seasons and the tilt of the axis, test 13](https://md.mova.elamur.ai/free/en/corpora/questions/world/2-seasons-and-the-tilt/t13/)
- next →: [The seasons and the tilt of the axis, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/world/2-seasons-and-the-tilt/e2/)
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