---
title: Stranded on a raft in a film, the hero drinks seawater "to stay aliv… — Water: the most amazing liquid · tree and pragmatics
description: Stranded on a raft in a film, the hero drinks seawater "to stay alive". What's true? Test 3 · ★★★ of lesson 34 «Water: the most amazing liquid» of the chemistry 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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# Test 3 · ★★★ · Water: the most amazing liquid

<!-- .ven lang=en -->
Stranded on a raft in a film, the hero drinks seawater "to stay alive". What's true?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** hero · **What happens:** strand, drink, stay, be · **To what, where:** raft, seawater

<!-- .vabout -->
This is test 3 · ★★★ of lesson 34 «Water: the most amazing liquid» of the chemistry 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/chemistry/34-water-amazing-liquid/#t3).

## The question {#question}

<!-- .note -->
*Sentence 1:* Stranded on a raft in a film, the hero drinks seawater "to stay alive".

```conllu
# sent_id = question:chemistry:34-water-amazing-liquid:t3:1
# text = Stranded on a raft in a film, the hero drinks seawater "to stay alive".
1	Stranded	strand	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
2	on	on	ADP	IN	_	4	case	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	raft	raft	NOUN	NN	Number=Sing	1	obl	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	film	film	NOUN	NN	Number=Sing	1	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	11	punct	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	hero	hero	NOUN	NN	Number=Sing	11	nsubj	_	_
11	drinks	drink	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	acl:relcl	_	_
12	seawater	seawater	NOUN	NN	Number=Sing	11	obj	_	_
13	"	"	PUNCT	''	_	12	punct	_	SpaceAfter=No
14	to	to	PART	TO	_	15	mark	_	_
15	stay	stay	VERB	VB	VerbForm=Inf	11	xcomp	_	_
16	alive	alive	ADJ	JJ	Degree=Pos	15	xcomp	_	SpaceAfter=No
17	"	"	PUNCT	''	_	15	punct	_	SpaceAfter=No
18	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **strand** | participle |  |  |  | a raft |  | in a film | tree rules |
| 2 | **drink** | present | the hero | seawater |  |  |  |  | tree rules |
| 3 | **stay** *in a quote* | to-infinitive | the hero *not said here* |  |  |  |  | alive *property* | vn exist-47.1 «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's true?

```conllu
# sent_id = question:chemistry:34-water-amazing-liquid:t3:2
# text = What's true?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	true	true	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	punct	_	_
```

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

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Seawater is better than rain water

```conllu
# sent_id = question:chemistry:34-water-amazing-liquid:t3:o1:1
# text = Seawater is better than rain water
1	Seawater	seawater	NOUN	NN	Number=Sing	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	better	good	ADJ	JJR	Degree=Cmp	0	root	_	_
4	than	than	ADP	IN	_	6	case	_	_
5	rain	rain	NOUN	NN	Number=Sing	6	compound	_	_
6	water	water	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Seawater |  |  |  |  | than rain water; good *property* | tree rules |

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Seawater would make him thirstier

```conllu
# sent_id = question:chemistry:34-water-amazing-liquid:t3:o2:1
# text = Seawater would make him thirstier
1	Seawater	seawater	NOUN	NN	Number=Sing	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	make	make	VERB	VB	VerbForm=Inf	0	root	_	_
4	him	he	PRON	PRP	Case=Acc|Gender=Masc|Number=Sing|Person=3|PronType=Prs	3	obj	_	_
5	thirstier	thirsty	ADJ	JJR	Degree=Cmp	3	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | would | Seawater | him *= he* |  |  |  | thirsty *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset he=Product |

### Option 3 {#o3}

<!-- .ven lang=en -->
Seawater is fine if you're thirsty

```conllu
# sent_id = question:chemistry:34-water-amazing-liquid:t3:o3:1
# text = Seawater is fine if you're thirsty
1	Seawater	seawater	NOUN	NN	Number=Sing	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	fine	fine	ADJ	JJ	Degree=Pos	0	root	_	_
4	if	if	SCONJ	IN	_	7	mark	_	_
5	you	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	7	nsubj	_	SpaceAfter=No
6	're	be	AUX	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	7	cop	_	_
7	thirsty	thirsty	ADJ	JJ	Degree=Pos	3	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Seawater |  |  |  |  | fine *property* | tree rules |
| 2 | **is** *a condition, not said to happen* | present | you |  |  |  |  | thirsty *property* | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
Seawater is safe once it is cold enough

```conllu
# sent_id = question:chemistry:34-water-amazing-liquid:t3:o4:1
# text = Seawater is safe once it is cold enough
1	Seawater	seawater	NOUN	NN	Number=Sing	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	safe	safe	ADJ	JJ	Degree=Pos	0	root	_	_
4	once	once	SCONJ	IN	_	7	mark	_	_
5	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	7	nsubj	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
7	cold	cold	ADJ	JJ	Degree=Pos	3	advcl	_	_
8	enough	enough	ADV	RB	_	7	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Seawater |  |  |  |  | safe *property* | tree rules |
| 2 | **is** | present | Seawater |  |  |  |  | cold, enough *property* | tree rules |

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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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