---
title: Winter does not kill a lake, because water is heaviest at 4 degrees:… — Rivers, lakes and ponds · tree and pragmatics
description: Winter does not kill a lake, because water is heaviest at 4 degrees: the coldest water and the ice float on top like a lid, and fish swim on in the liquid water below. Who acts: Winter, water, coldest water, fish. A sentence of the lesson «Rivers, lakes and ponds» of the biology course of Mova's pri
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/school/biology/10-rivers-lakes-and-ponds/2/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [school](https://md.mova.elamur.ai/free/en/corpora/school/) / [Biology](https://md.mova.elamur.ai/free/en/corpora/school/biology/) / [Rivers, lakes and ponds](https://md.mova.elamur.ai/free/en/corpora/school/biology/10-rivers-lakes-and-ponds/) / 2

# Rivers, lakes and ponds, sentence 2

<!-- .ven lang=en -->
Winter does not kill a lake, because water is heaviest at 4 degrees: the coldest water and the ice float on top like a lid, and fish swim on in the liquid water below.

<!-- .vintro -->
**Who acts:** Winter, water, coldest water, fish · **What happens:** not kill, be, float, swim on · **To what, where:** lake, 4 degrees, top, liquid water

<!-- .vabout -->
This is a sentence of the lesson «Rivers, lakes and ponds» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Winter, water, coldest water, fish), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:010-rivers-lakes-and-ponds.lesson:2
# text = Winter does not kill a lake, because water is heaviest at 4 degrees: the coldest water and the ice float on top like a lid, and fish swim on in the liquid water below.
# source = school lesson (ours)
# course = biology
# lesson = 010-rivers-lakes-and-ponds.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×3
1	Winter	Winter	PROPN	NNP	Number=Sing	4	nsubj	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	kill	kill	VERB	VB	VerbForm=Inf	0	root	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	lake	lake	NOUN	NN	Number=Sing	4	obj	_	_
7	,	,	PUNCT	,	_	11	punct	_	_
8	because	because	SCONJ	IN	_	11	mark	_	_
9	water	water	NOUN	NN	Number=Sing	11	nsubj	_	_
10	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	11	cop	_	_
11	heaviest	heavy	ADJ	JJS	Degree=Sup	4	advcl	_	_
12	at	at	ADP	IN	_	14	case	_	_
13	4	4	NUM	CD	NumForm=Digit|NumType=Card	14	nummod	_	_
14	degrees	degree	NOUN	NNS	Number=Plur	11	obl	_	_
15	:	:	PUNCT	:	_	18	punct	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	_
17	coldest	cold	ADJ	JJS	Degree=Sup	18	amod	_	_
18	water	water	NOUN	NN	Number=Sing	22	nsubj	_	_
19	and	and	CCONJ	CC	_	21	cc	_	_
20	the	the	DET	DT	Definite=Def|PronType=Art	21	det	_	_
21	ice	ice	NOUN	NN	Number=Sing	18	conj	_	_
22	float	float	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	_
23	on	on	ADP	IN	_	24	case	_	_
24	top	top	NOUN	NN	Number=Sing	22	obl	_	_
25	like	like	ADP	IN	_	27	case	_	_
26	a	a	DET	DT	Definite=Ind|PronType=Art	27	det	_	_
27	lid	lid	NOUN	NN	Number=Sing	22	obl	_	Agree=R5-strong|Haiku=24:nmod
28	,	,	PUNCT	,	_	31	punct	_	_
29	and	and	CCONJ	CC	_	31	cc	_	_
30	fish	fish	NOUN	NNS	Number=Plur	31	nsubj	_	_
31	swim	swim	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	22	conj	_	Agree=R5-strong|Haiku=4:parataxis
32	on	on	ADP	IN	_	31	compound:prt	_	_
33	in	in	ADP	IN	_	36	case	_	_
34	the	the	DET	DT	Definite=Def|PronType=Art	36	det	_	_
35	liquid	liquid	ADJ	JJ	Degree=Pos	36	amod	_	_
36	water	water	NOUN	NN	Number=Sing	31	obl	_	_
37	below	below	ADV	RB	_	36	advmod	_	Agree=R5-strong|Haiku=31:advmod
38	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **kill** | present · do-support | Winter | a lake |  |  |  |  | vn remove-10.1 «NP V NP»: agent=Agent lake=Theme |
| 2 | **is** | present | water |  |  | 4 degrees |  | heavy *property* | tree rules |
| 3 | **float** | present | the coldest water and the ice |  |  | top |  | like a lid | vn run-51.3.2-2 «NP V PP.location»: agent=Theme on top=Trajectory |
| 4 | **swim on** | present | fish |  |  | the liquid water |  |  | vn run-51.3.2-1 «NP V PP.location»: agent=Theme in water=Trajectory |

<!-- .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.

<!-- div src -->

**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:010-rivers-lakes-and-ponds.lesson:2`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×3. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

<!-- /div -->

<!-- pn -->
- ← previous: [Rivers, lakes and ponds, 1](https://md.mova.elamur.ai/free/en/corpora/school/biology/10-rivers-lakes-and-ponds/1/)
- next →: [Rivers, lakes and ponds, 3](https://md.mova.elamur.ai/free/en/corpora/school/biology/10-rivers-lakes-and-ponds/3/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/10-rivers-lakes-and-ponds/)

