---
title: Leo whirls a ball on a string around his head. What plays the part o… — Gravity · tree and pragmatics
description: Leo whirls a ball on a string around his head. What plays the part of the string for the Moon? Test 4 · ★ of lesson 6 «Gravity» 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 wrong.
---

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# Test 4 · ★ · Gravity

<!-- .ven lang=en -->
Leo whirls a ball on a string around his head. What plays the part of the string for the Moon?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 1 · wrong ✗ · **Who acts:** Leo · **What happens:** whirl, play · **To what, where:** ball, string, part

<!-- .vabout -->
This is test 4 · ★ of lesson 6 «Gravity» of the world 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/world/6-gravity/#t4).

## The question {#question}

<!-- .note -->
*Sentence 1:* Leo whirls a ball on a string around his head.

```conllu
# sent_id = question:world:6-gravity:t4:1
# text = Leo whirls a ball on a string around his head.
1	Leo	Leo	PROPN	NNP	Number=Sing	2	nsubj	_	_
2	whirls	whirl	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	ball	ball	NOUN	NN	Number=Sing	2	obj	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	string	string	NOUN	NN	Number=Sing	2	obl	_	_
8	around	around	ADP	IN	_	10	case	_	_
9	his	his	PRON	PRP$	Case=Gen|Gender=Masc|Number=Sing|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
10	head	head	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
11	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **whirl** | present | Leo | a ball |  | a string |  | around Leo's head | vn roll-51.3.1 «NP.agent V NP.theme PP.source PP.trajectory PP.destination»: agent=Agent ball=Theme on string=Source around head=Trajectory |

<!-- .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:* What plays the part of the string for the Moon?

```conllu
# sent_id = question:world:6-gravity:t4:2
# text = What plays the part of the string for the Moon?
1	What	what	PRON	WP	PronType=Int	2	nsubj	_	_
2	plays	play	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	part	part	NOUN	NN	Number=Sing	2	obj	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	string	string	NOUN	NN	Number=Sing	4	nmod	_	_
8	for	for	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	Moon	Moon	PROPN	NNP	Number=Sing	7	nmod	_	SpaceAfter=No
11	?	?	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **play** | present |  | the part of the string for the Moon |  |  |  |  | vn use-105.1 «NP V NP»: agent=Agent part=Theme |

## The options {#options}

### Option 1 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
The Earth's gravity

```conllu
# sent_id = question:world:6-gravity:t4:o1:1
# text = The Earth's gravity
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Earth	Earth	PROPN	NNP	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	gravity	gravity	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
The Earth's air

```conllu
# sent_id = question:world:6-gravity:t4:o2:1
# text = The Earth's air
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Earth	Earth	PROPN	NNP	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	air	air	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 3 {#o3}

<!-- .ven lang=en -->
The Moon's speed

```conllu
# sent_id = question:world:6-gravity:t4:o3:1
# text = The Moon's speed
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Moon	Moon	PROPN	NNP	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	speed	speed	NOUN	NN	Number=Sing	0	root	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
The Sun's light

```conllu
# sent_id = question:world:6-gravity:t4:o4:1
# text = The Sun's light
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Sun	Sun	PROPN	NNP	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	light	light	NOUN	NN	Number=Sing	0	root	_	_
```

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

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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: [Gravity, test 3](https://md.mova.elamur.ai/free/en/corpora/questions/world/6-gravity/t3/)
- next →: [Gravity, test 5](https://md.mova.elamur.ai/free/en/corpora/questions/world/6-gravity/t5/)
- ↑ back to [Gravity](https://md.mova.elamur.ai/free/en/corpora/questions/world/6-gravity/)

