---
title: Your friend says: "Water is made of two gases, so it should be a gas… — Molecules: when atoms join up · tree and pragmatics
description: Your friend says: "Water is made of two gases, so it should be a gas too." What is the answer? Test 1 · ★ of lesson 3 «Molecules: when atoms join up» 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 1 · ★ · Molecules: when atoms join up

<!-- .ven lang=en -->
Your friend says: "Water is made of two gases, so it should be a gas too." What is the answer?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 4 · right ✓ · **Who acts:** friend, Water, answer · **What happens:** say, make, be · **To what, where:** Water, gas · **Speech:** someone speaks here

<!-- .vabout -->
This is test 1 · ★ of lesson 3 «Molecules: when atoms join up» 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/3-molecules-when-atoms-join-up/#t1).

## The question {#question}

<!-- .note -->
*Sentence 1:* Your friend says: "Water is made of two gases, so it should be a gas too."

```conllu
# sent_id = question:chemistry:3-molecules-when-atoms-join-up:t1:1
# text = Your friend says: "Water is made of two gases, so it should be a gas too."
1	Your	your	PRON	PRP$	Case=Gen|Person=2|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	friend	friend	NOUN	NN	Number=Sing	3	nsubj	_	_
3	says	say	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	SpaceAfter=No
4	:	:	PUNCT	:	_	8	punct	_	_
5	"	"	PUNCT	``	_	8	punct	_	SpaceAfter=No
6	Water	water	NOUN	NN	Number=Sing	8	nsubj:pass	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	aux:pass	_	_
8	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	ccomp	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	two	two	NUM	CD	NumForm=Word|NumType=Card	11	nummod	_	_
11	gases	gas	NOUN	NNS	Number=Plur	8	obl	_	SpaceAfter=No
12	,	,	PUNCT	,	_	18	punct	_	_
13	so	so	ADV	RB	_	18	advmod	_	_
14	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	18	nsubj	_	_
15	should	should	AUX	MD	VerbForm=Fin	18	aux	_	_
16	be	be	AUX	VB	VerbForm=Inf	18	cop	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	gas	gas	NOUN	NN	Number=Sing	8	conj	_	_
19	too	too	ADV	RB	_	18	advmod	_	SpaceAfter=No
20	.	.	PUNCT	.	_	3	punct	_	SpaceAfter=No
21	"	"	PUNCT	''	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **say** *speech: assert* | present | Your friend |  |  |  |  |  | vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic |
| 2 | **make** *in a quote* | present · passive |  | Water |  |  |  | of two gases | vn build-26.1-1 «NP.asset V NP»: subject=Product |
| 3 | **is a** *in a quote* | should | Water | a gas |  |  |  |  | tree rules |

<!-- .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 is the answer?

```conllu
# sent_id = question:chemistry:3-molecules-when-atoms-join-up:t1:2
# text = What is the answer?
1	What	what	PRON	WP	PronType=Int	0	root	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	answer	answer	NOUN	NN	Number=Sing	1	nsubj	_	SpaceAfter=No
5	?	?	PUNCT	.	_	1	punct	_	_
```

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

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Water is only part hydrogen, mostly sand

```conllu
# sent_id = question:chemistry:3-molecules-when-atoms-join-up:t1:o1:1
# text = Water is only part hydrogen, mostly sand
1	Water	water	NOUN	NN	Number=Sing	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	only	only	ADV	RB	_	5	advmod	_	_
4	part	part	NOUN	NN	Number=Sing	5	compound	_	_
5	hydrogen	hydrogen	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
6	,	,	PUNCT	,	_	8	punct	_	_
7	mostly	mostly	ADV	RB	_	8	advmod	_	_
8	sand	sand	NOUN	NN	Number=Sing	5	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Water | part hydrogen and sand |  |  |  |  | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
Water is secretly a gas that is only pretending to be wet

```conllu
# sent_id = question:chemistry:3-molecules-when-atoms-join-up:t1:o2:1
# text = Water is secretly a gas that is only pretending to be wet
1	Water	water	NOUN	NN	Number=Sing	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	secretly	secretly	ADV	RB	_	5	advmod	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	gas	gas	NOUN	NN	Number=Sing	0	root	_	_
6	that	that	PRON	WDT	PronType=Rel	9	nsubj	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	aux	_	_
8	only	only	ADV	RB	_	9	advmod	_	_
9	pretending	pretend	VERB	VBG	Tense=Pres|VerbForm=Part	5	acl:relcl	_	_
10	to	to	PART	TO	_	12	mark	_	_
11	be	be	AUX	VB	VerbForm=Inf	12	cop	_	_
12	wet	wet	ADJ	JJ	Degree=Pos	9	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | Water | a gas |  |  |  | secretly *property* | tree rules |
| 2 | **pretend** | present · progressive | a gas |  |  |  |  |  | tree rules |
| 3 | **is** | to-infinitive | a gas *not said here* |  |  |  |  | wet *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
She is right, water is always a gas

```conllu
# sent_id = question:chemistry:3-molecules-when-atoms-join-up:t1:o3:1
# text = She is right, water is always a gas
1	She	she	PRON	PRP	Case=Nom|Gender=Fem|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	right	right	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
4	,	,	PUNCT	,	_	9	punct	_	_
5	water	water	NOUN	NN	Number=Sing	9	nsubj	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
7	always	always	ADV	RB	PronType=Tot	9	advmod	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	gas	gas	NOUN	NN	Number=Sing	3	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | She |  |  |  |  | right *property* | tree rules |
| 2 | **is a** | present | water | a gas |  |  |  | always *property* | tree rules |

### Option 4 · ← Mova's choice · ✓ the right answer {#o4}

<!-- .ven lang=en -->
Joined atoms make a new substance with new behaviour

```conllu
# sent_id = question:chemistry:3-molecules-when-atoms-join-up:t1:o4:1
# text = Joined atoms make a new substance with new behaviour
1	Joined	join	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	amod	_	_
2	atoms	atom	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	new	new	ADJ	JJ	Degree=Pos	6	amod	_	_
6	substance	substance	NOUN	NN	Number=Sing	3	obj	_	_
7	with	with	ADP	IN	_	9	case	_	_
8	new	new	ADJ	JJ	Degree=Pos	9	amod	_	_
9	behaviour	behaviour	NOUN	NN	Number=Sing	6	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **join** | participle |  |  |  |  |  |  | vn mix-22.1-2-1 «NP V»: agent=Patient |
| 2 | **make** | present | Joined atoms | a new substance |  |  |  | with new behaviour | vn build-26.1-1 «NP.asset V NP»: agent=Asset substance=Product |

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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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