---
title: You hold a beach ball under water and let go. What does it do? — Floating and sinking: the push of the… · tree and pragmatics
description: You hold a beach ball under water and let go. What does it do? Test 8 of lesson 11 «Floating and sinking: the push of the water» of the physics 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 8 · Floating and sinking: the push of the water

<!-- .ven lang=en -->
You hold a beach ball under water and let go. What does it do?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** You, ball · **What happens:** hold, let, go, do · **To what, where:** beach ball, water

<!-- .vabout -->
This is test 8 of lesson 11 «Floating and sinking: the push of the water» of the physics 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/physics/11-floating-and-sinking/#t8).

## The question {#question}

<!-- .note -->
*Sentence 1:* You hold a beach ball under water and let go.

```conllu
# sent_id = question:physics:11-floating-and-sinking:t8:1
# text = You hold a beach ball under water and let go.
1	You	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	2	nsubj	_	_
2	hold	hold	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	0	root	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	beach	beach	NOUN	NN	Number=Sing	5	compound	_	_
5	ball	ball	NOUN	NN	Number=Sing	2	obj	_	_
6	under	under	ADP	IN	_	7	case	_	_
7	water	water	NOUN	NN	Number=Sing	2	obl	_	_
8	and	and	CCONJ	CC	_	9	cc	_	_
9	let	let	VERB	VB	VerbForm=Inf	2	conj	_	_
10	go	go	VERB	VB	VerbForm=Inf	9	xcomp	_	SpaceAfter=No
11	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hold** | present | You | a beach ball |  | water |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent ball=Theme under water=Location |
| 2 | **let** | infinitive | You *not said here* |  |  |  |  |  | tree rules |
| 3 | **go** | infinitive | You *not said here* |  |  |  |  |  | vn disappearance-48.2-1 «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.

<!-- .note -->
*Sentence 2:* What does it do?

```conllu
# sent_id = question:physics:11-floating-and-sinking:t8:2
# text = What does it do?
1	What	what	PRON	WP	PronType=Int	4	obj	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
4	do	do	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
5	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | present · do-support | ball |  |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent what=Eventuality |

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
It sinks to the bottom

```conllu
# sent_id = question:physics:11-floating-and-sinking:t8:o1:1
# text = It sinks to the bottom
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	sinks	sink	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	to	to	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	bottom	bottom	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sink** | present | It |  |  |  |  | to the bottom | vn other\_cos-45.4 «NP.patient V»: agent=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
It stays where it is

```conllu
# sent_id = question:physics:11-floating-and-sinking:t8:o2:1
# text = It stays where it is
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	stays	stay	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	where	where	ADV	WRB	PronType=Rel	5	advmod	_	_
4	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
5	is	be	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **stay** | present | It |  |  |  |  |  | vn exist-47.1 «NP V»: agent=Theme |
| 2 | **be** | present | it |  |  |  |  |  | vn exist-47.1 «NP V»: agent=Theme |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
It shoots back up

```conllu
# sent_id = question:physics:11-floating-and-sinking:t8:o3:1
# text = It shoots back up
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	shoots	shoot	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	back	back	ADV	RB	_	4	advmod	_	_
4	up	up	ADV	RB	_	2	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **shoot back** | present | It |  |  |  |  |  | vn throw-17.1-1 «NP V NP»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
It floats off sideways

```conllu
# sent_id = question:physics:11-floating-and-sinking:t8:o4:1
# text = It floats off sideways
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	off	off	ADP	RP	_	2	compound:prt	_	_
4	sideways	sideways	ADV	RB	_	2	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float off** | present | It |  |  |  |  | sideways *property* | vn run-51.3.2-2 «NP V»: agent=Theme |

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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: [Floating and sinking: the push of the…, test 7](https://md.mova.elamur.ai/free/en/corpora/questions/physics/11-floating-and-sinking/t7/)
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