---
title: Things float if they are lighter than the same size of water; wood i… — Floating and sinking: the push of the water · tree and pragmatics
description: Things float if they are lighter than the same size of water; wood is light for its size and stone is heavy for its size. Who acts: Things, floats, wood, stone. A sentence of the lesson «Floating and sinking: the push of the water» of the physics course of Mova's primary school with its dependency t
---

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# Floating and sinking: the push of the water, sentence 6

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Things float if they are lighter than the same size of water; wood is light for its size and stone is heavy for its size.

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**Who acts:** Things, floats, wood, stone · **What happens:** float, be

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This is a sentence of the lesson «Floating and sinking: the push of the water» of the physics 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 (Things, floats, wood, stone), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:011-floating-and-sinking.lesson:6
# text = Things float if they are lighter than the same size of water; wood is light for its size and stone is heavy for its size.
# source = school lesson (ours)
# course = physics
# lesson = 011-floating-and-sinking.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): R7-rel-agree ×1
1	Things	thing	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	float	float	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	if	if	SCONJ	IN	_	6	mark	_	_
4	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	6	nsubj	_	_
5	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
6	lighter	light	ADJ	JJR	Degree=Cmp	2	advcl	_	_
7	than	than	ADP	IN	_	10	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
9	same	same	ADJ	JJ	Degree=Pos	10	amod	_	_
10	size	size	NOUN	NN	Number=Sing	6	obl	_	_
11	of	of	ADP	IN	_	12	case	_	_
12	water	water	NOUN	NN	Number=Sing	10	nmod	_	_
13	;	;	PUNCT	,	_	16	punct	_	_
14	wood	wood	NOUN	NN	Number=Sing	16	nsubj	_	_
15	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	cop	_	_
16	light	light	ADJ	JJ	Degree=Pos	2	parataxis	_	Agree=R7-rel-agree|Haiku=2:conj
17	for	for	ADP	IN	_	19	case	_	_
18	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	19	nmod:poss	_	_
19	size	size	NOUN	NN	Number=Sing	16	obl	_	_
20	and	and	CCONJ	CC	_	23	cc	_	_
21	stone	stone	NOUN	NN	Number=Sing	23	nsubj	_	_
22	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	23	cop	_	_
23	heavy	heavy	ADJ	JJ	Degree=Pos	16	conj	_	_
24	for	for	ADP	IN	_	26	case	_	_
25	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	26	nmod:poss	_	_
26	size	size	NOUN	NN	Number=Sing	23	obl	_	_
27	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float** | present | Things |  |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |
| 2 | **is** *a condition, not said to happen* | present | floats *= float* |  |  |  |  | than the same size of water; light *property* | tree rules |
| 3 | **is** | present | wood |  |  |  |  | for Water's size; light *property* | tree rules |
| 4 | **is** | present | stone |  |  |  |  | for Water's size; heavy *property* | tree rules |

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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.

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**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:physics:011-floating-and-sinking.lesson:6`.

**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): R7-rel-agree ×1. **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/).

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