---
title: Four claims: ice floats on water, a steel ship floats, a clay boat f… — Olympiad: forces, floating and machine… · tree and pragmatics
description: Four claims: ice floats on water, a steel ship floats, a clay boat floats, a clay ball floats. Which claim is false? Test 10 · ★★★ of lesson 42 «Olympiad: forces, floating and machines ★★★» of the physics course of Mova's primary school, with the dependency tree and pragmatics of the question and of
---

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# Test 10 · ★★★ · Olympiad: forces, floating and machines ★★★

<!-- .ven lang=en -->
Four claims: ice floats on water, a steel ship floats, a clay boat floats, a clay ball floats. Which claim is false?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 3 · wrong ✗ · **Who acts:** ice, steel ship, clay boat, clay ball, claim · **What happens:** float, be · **To what, where:** Four claims, water

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This is test 10 · ★★★ of lesson 42 «Olympiad: forces, floating and machines ★★★» 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/42-olympiad-forces-floating-and-machines/#t10).

## The question {#question}

<!-- .note -->
*Sentence 1:* Four claims: ice floats on water, a steel ship floats, a clay boat floats, a clay ball floats.

```conllu
# sent_id = question:physics:42-olympiad-forces-floating-and-machines:t10:1
# text = Four claims: ice floats on water, a steel ship floats, a clay boat floats, a clay ball floats.
1	Four	four	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	claims	claim	NOUN	NNS	Number=Plur	0	root	_	SpaceAfter=No
3	:	:	PUNCT	:	_	5	punct	_	_
4	ice	ice	NOUN	NN	Number=Sing	5	nsubj	_	_
5	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	acl:relcl	_	_
6	on	on	ADP	IN	_	7	case	_	_
7	water	water	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	12	punct	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
10	steel	steel	NOUN	NN	Number=Sing	11	compound	_	_
11	ship	ship	NOUN	NN	Number=Sing	12	nsubj	_	_
12	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	SpaceAfter=No
13	,	,	PUNCT	,	_	17	punct	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	16	det	_	_
15	clay	clay	NOUN	NN	Number=Sing	16	compound	_	_
16	boat	boat	NOUN	NN	Number=Sing	17	nsubj	_	_
17	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	SpaceAfter=No
18	,	,	PUNCT	,	_	22	punct	_	_
19	a	a	DET	DT	Definite=Ind|PronType=Art	21	det	_	_
20	clay	clay	NOUN	NN	Number=Sing	21	compound	_	_
21	ball	ball	NOUN	NN	Number=Sing	22	nsubj	_	_
22	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	conj	_	SpaceAfter=No
23	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float** | present | ice | Four claims *not said here* |  | water |  |  | vn run-51.3.2-2 «NP V NP PP.trajectory»: agent=Agent claim=Theme on water=Trajectory |
| 2 | **float** | present | a steel ship |  |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |
| 3 | **float** | present | a clay boat |  |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |
| 4 | **float** | present | a clay ball |  |  |  |  |  | vn run-51.3.2-2 «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:* Which claim is false?

```conllu
# sent_id = question:physics:42-olympiad-forces-floating-and-machines:t10:2
# text = Which claim is false?
1	Which	which	DET	WDT	PronType=Int	2	det	_	_
2	claim	claim	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	false	false	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
5	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | which claim |  |  |  |  | false *property* | tree rules |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
A steel ship floats

```conllu
# sent_id = question:physics:42-olympiad-forces-floating-and-machines:t10:o1:1
# text = A steel ship floats
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	steel	steel	NOUN	NN	Number=Sing	3	compound	_	_
3	ship	ship	NOUN	NN	Number=Sing	4	nsubj	_	_
4	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
```

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

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
Ice floats on water

```conllu
# sent_id = question:physics:42-olympiad-forces-floating-and-machines:t10:o2:1
# text = Ice floats on water
1	Ice	ice	NOUN	NN	Number=Sing	2	nsubj	_	_
2	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	on	on	ADP	IN	_	4	case	_	_
4	water	water	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float** | present | Ice |  |  | water |  |  | vn run-51.3.2-2 «NP V PP.location»: agent=Theme on water=Trajectory |

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

<!-- .ven lang=en -->
A clay ball floats

```conllu
# sent_id = question:physics:42-olympiad-forces-floating-and-machines:t10:o3:1
# text = A clay ball floats
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	clay	clay	NOUN	NN	Number=Sing	3	compound	_	_
3	ball	ball	NOUN	NN	Number=Sing	4	nsubj	_	_
4	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
```

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

### Option 4 {#o4}

<!-- .ven lang=en -->
A clay boat floats

```conllu
# sent_id = question:physics:42-olympiad-forces-floating-and-machines:t10:o4:1
# text = A clay boat floats
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	clay	clay	NOUN	NN	Number=Sing	3	compound	_	_
3	boat	boat	NOUN	NN	Number=Sing	4	nsubj	_	_
4	floats	float	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float** | present | a clay boat |  |  |  |  |  | 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.

<!-- /div -->

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- ← previous: [Olympiad: forces, floating and machine…, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/t9/)
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- ↑ back to [Olympiad: forces, floating and machines ★★★](https://md.mova.elamur.ai/free/en/corpora/questions/physics/42-olympiad-forces-floating-and-machines/)