---
title: Identify the cause of the seasonal variation experienced upon the Ea… — The Earth as a planet · tree and pragmatics
description: Identify the cause of the seasonal variation experienced upon the Earth. Exam question 1 of lesson 5 «The Earth as a planet» of the space course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Exam question 1 · The Earth as a planet

<!-- .ven lang=en -->
Identify the cause of the seasonal variation experienced upon the Earth.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** you · **What happens:** identify, experience, cause · **To what, where:** cause, seasonal variation

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This is exam question 1 of lesson 5 «The Earth as a planet» of the space 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/space/5-the-earth-as-a-planet/#e1).

## The question {#question}

```conllu
# sent_id = question:space:5-the-earth-as-a-planet:e1:1
# text = Identify the cause of the seasonal variation experienced upon the Earth.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	cause	cause	NOUN	NN	Number=Sing	1	obj	_	_
4	of	of	ADP	IN	_	7	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	seasonal	seasonal	ADJ	JJ	Degree=Pos	7	amod	_	_
7	variation	variation	NOUN	NN	Number=Sing	3	nmod	_	_
8	experienced	experience	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	acl	_	_
9	upon	upon	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	Earth	Earth	PROPN	NNP	Number=Sing	8	obl	_	SpaceAfter=No
12	.	.	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 cause of the seasonal variation |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent cause=Theme |
| 2 | **experience** | participle |  | the seasonal variation *not said here* |  |  |  | upon the Earth | vn sight-30.2 «NP V NP»: agent=Experiencer |
| 3 | **cause** |  |  | the seasonal variation |  |  |  |  | nom cause «event 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 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
The interposition of the Moon between the Earth and the Sun

```conllu
# sent_id = question:space:5-the-earth-as-a-planet:e1:o1:1
# text = The interposition of the Moon between the Earth and the Sun
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	interposition	interposition	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	between	between	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	Earth	Earth	PROPN	NNP	Number=Sing	2	nmod	_	_
9	and	and	CCONJ	CC	_	11	cc	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	Sun	Sun	PROPN	NNP	Number=Sing	8	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **interpose** |  |  | the Moon |  |  |  | between the Earth and the Sun | nom interposition «act transitive»: of=patient between=obl |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
The inclination of the Earth's axis of rotation

```conllu
# sent_id = question:space:5-the-earth-as-a-planet:e1:o2:1
# text = The inclination of the Earth's axis of rotation
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	inclination	inclination	NOUN	NN	Number=Sing	0	root	_	_
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	of	of	ADP	IN	_	9	case	_	_
9	rotation	rotation	NOUN	NN	Number=Sing	7	nmod	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
The variation in the distance of the Earth from the Sun

```conllu
# sent_id = question:space:5-the-earth-as-a-planet:e1:o3:1
# text = The variation in the distance of the Earth from the Sun
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	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	distance	distance	NOUN	NN	Number=Sing	2	nmod	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	Earth	Earth	PROPN	NNP	Number=Sing	5	nmod	_	_
9	from	from	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	Sun	Sun	PROPN	NNP	Number=Sing	2	nmod	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
The periodic variation in the output of the Sun

```conllu
# sent_id = question:space:5-the-earth-as-a-planet:e1:o4:1
# text = The periodic variation in the output of the Sun
1	The	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
2	periodic	periodic	ADJ	JJ	Degree=Pos	3	amod	_	_
3	variation	variation	NOUN	NN	Number=Sing	0	root	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	output	output	NOUN	NN	Number=Sing	3	nmod	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	Sun	Sun	PROPN	NNP	Number=Sing	6	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 Earth as a planet, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/space/5-the-earth-as-a-planet/t11/)
- next →: [The Earth as a planet, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/space/5-the-earth-as-a-planet/e2/)
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