---
title: If ice sank, what might happen to ponds in a cold winter? — Water: the most amazing liquid · tree and pragmatics
description: If ice sank, what might happen to ponds in a cold winter? Test 2 · ★★★ 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 wrong.
---

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# Test 2 · ★★★ · Water: the most amazing liquid

<!-- .ven lang=en -->
If ice sank, what might happen to ponds in a cold winter?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 4 · wrong ✗ · **Who acts:** ice · **What happens:** sink, happen

<!-- .vabout -->
This is test 2 · ★★★ 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/#t2).

## The question {#question}

```conllu
# sent_id = question:chemistry:34-water-amazing-liquid:t2:1
# text = If ice sank, what might happen to ponds in a cold winter?
1	If	if	SCONJ	IN	_	3	mark	_	_
2	ice	ice	NOUN	NN	Number=Sing	3	nsubj	_	_
3	sank	sink	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	SpaceAfter=No
4	,	,	PUNCT	,	_	7	punct	_	_
5	what	what	PRON	WP	PronType=Int	7	nsubj	_	_
6	might	might	AUX	MD	VerbForm=Fin	7	aux	_	_
7	happen	happen	VERB	VB	VerbForm=Inf	3	ccomp	_	_
8	to	to	ADP	IN	_	9	case	_	_
9	ponds	pond	NOUN	NNS	Number=Plur	7	obl	_	_
10	in	in	ADP	IN	_	13	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
12	cold	cold	ADJ	JJ	Degree=Pos	13	amod	_	_
13	winter	winter	NOUN	NN	Number=Sing	7	obl	_	SpaceAfter=No
14	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sink** | past | ice |  |  |  |  |  | tree rules |
| 2 | **happen** | might |  |  |  |  | winter | to ponds | vn occur-48.3-1 «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.

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Fish would be much warmer than they are now

```conllu
# sent_id = question:chemistry:34-water-amazing-liquid:t2:o1:1
# text = Fish would be much warmer than they are now
1	Fish	fish	NOUN	NNS	Number=Plur	5	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	5	aux	_	_
3	be	be	AUX	VB	VerbForm=Inf	5	cop	_	_
4	much	much	ADV	RB	_	5	advmod	_	_
5	warmer	warm	ADJ	JJR	Degree=Cmp	0	root	_	_
6	than	than	SCONJ	IN	_	8	mark	_	_
7	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	8	nsubj	_	_
8	are	be	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	advcl	_	_
9	now	now	ADV	RB	PronType=Dem	8	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | would | Fish |  |  |  |  | warm *property* | tree rules |
| 2 | **does** | present | Fish |  |  |  | now |  | vn exist-47.1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Ponds would never freeze at all in winter

```conllu
# sent_id = question:chemistry:34-water-amazing-liquid:t2:o2:1
# text = Ponds would never freeze at all in winter
1	Ponds	pond	NOUN	NNS	Number=Plur	4	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
3	never	never	ADV	RB	PronType=Neg	4	advmod	_	_
4	freeze	freeze	VERB	VB	VerbForm=Inf	0	root	_	_
5	at	at	ADP	IN	_	6	case	_	_
6	all	all	DET	DT	PronType=Tot	4	obl	_	_
7	in	in	ADP	IN	_	8	case	_	_
8	winter	winter	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **freeze** | would | Ponds |  |  | all | winter |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
Ice would float to the bottom faster

```conllu
# sent_id = question:chemistry:34-water-amazing-liquid:t2:o3:1
# text = Ice would float to the bottom faster
1	Ice	ice	NOUN	NN	Number=Sing	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	float	float	VERB	VB	VerbForm=Inf	0	root	_	_
4	to	to	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	bottom	bottom	NOUN	NN	Number=Sing	3	obl	_	_
7	faster	fast	ADV	RBR	Degree=Cmp	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float** | would | Ice |  |  | the bottom |  | fast *property* | vn run-51.3.2-2 «NP V PP.location»: agent=Theme to bottom=Destination |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
They could freeze from the bottom up

```conllu
# sent_id = question:chemistry:34-water-amazing-liquid:t2:o4:1
# text = They could freeze from the bottom up
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	3	nsubj	_	_
2	could	could	AUX	MD	VerbForm=Fin	3	aux	_	_
3	freeze	freeze	VERB	VB	VerbForm=Inf	0	root	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	bottom	bottom	NOUN	NN	Number=Sing	3	obl	_	_
7	up	up	ADP	RP	_	3	compound:prt	_	_
```

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

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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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