---
title: If the water gets too hot, the corals push their algae out and turn… — Coral reef builders: polyps, bleaching, sand fro… · tree and pragmatics
description: If the water gets too hot, the corals push their algae out and turn white like bone; this is bleaching, and if the heat lasts too long the coral starves. Who acts: water, corals, this, heat. A sentence of the lesson «Coral reef builders: polyps, bleaching, sand from parrotfish and giant clams» of th
---

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# Coral reef builders: polyps, bleaching, sand from parrotfish and giant clams, sentence 2

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If the water gets too hot, the corals push their algae out and turn white like bone; this is bleaching, and if the heat lasts too long the coral starves.

<!-- .vintro -->
**Who acts:** water, corals, this, heat, coral · **What happens:** get, push out, turn, bleach, last, starve · **To what, where:** algae

<!-- .vabout -->
This is a sentence of the lesson «Coral reef builders: polyps, bleaching, sand from parrotfish and giant clams» 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 (water, corals, this, heat), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams.lesson:2
# text = If the water gets too hot, the corals push their algae out and turn white like bone; this is bleaching, and if the heat lasts too long the coral starves.
# source = school lesson (ours)
# course = biology
# lesson = 172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams.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, R8-pos-agree ×2
1	If	if	SCONJ	IN	_	4	mark	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	water	water	NOUN	NN	Number=Sing	4	nsubj	_	_
4	gets	get	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	too	too	ADV	RB	_	6	advmod	_	_
6	hot	hot	ADJ	JJ	Degree=Pos	4	xcomp	_	_
7	,	,	PUNCT	,	_	10	punct	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	corals	coral	NOUN	NNS	Number=Plur	10	nsubj	_	_
10	push	push	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	_
11	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	12	nmod:poss	_	_
12	algae	alga	NOUN	NN	Number=Sing	10	obj	_	Agree=R8-pos-agree|Haiku=10:obj|HaikuPos=NOUN:NNS:Number=Plur
13	out	out	ADP	RP	_	10	compound:prt	_	Agree=R7-rel-agree|Haiku=10:advmod|HaikuPos=ADV:RB:_
14	and	and	CCONJ	CC	_	15	cc	_	_
15	turn	turn	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	conj	_	Agree=R8-pos-agree|Haiku=10:conj|HaikuPos=VERB:VB:VerbForm=Inf
16	white	white	ADJ	JJ	Degree=Pos	15	xcomp	_	_
17	like	like	ADP	IN	_	18	case	_	_
18	bone	bone	NOUN	NN	Number=Sing	16	obl	_	_
19	;	;	PUNCT	:	_	22	punct	_	_
20	this	this	PRON	DT	Number=Sing|PronType=Dem	22	nsubj	_	_
21	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	22	aux	_	_
22	bleaching	bleach	VERB	VBG	Tense=Pres|VerbForm=Part	4	parataxis	_	_
23	,	,	PUNCT	,	_	33	punct	_	_
24	and	and	CCONJ	CC	_	33	cc	_	_
25	if	if	SCONJ	IN	_	28	mark	_	_
26	the	the	DET	DT	Definite=Def|PronType=Art	27	det	_	_
27	heat	heat	NOUN	NN	Number=Sing	28	nsubj	_	_
28	lasts	last	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	33	advcl	_	_
29	too	too	ADV	RB	_	30	advmod	_	_
30	long	long	ADV	RB	Degree=Pos	28	advmod	_	_
31	the	the	DET	DT	Definite=Def|PronType=Art	32	det	_	_
32	coral	coral	NOUN	NN	Number=Sing	33	nsubj	_	_
33	starves	starve	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	22	conj	_	_
34	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: narrate
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **get** | present | the water |  |  |  |  | hot *property* | vn comprehend-87.2-1 «NP V S\_ING»: agent=Experiencer |
| 2 | **push out** | present | the corals | polyps's algae |  |  |  |  | vn carry-11.4-1-1 «NP V NP»: agent=Agent alga=Theme |
| 3 | **turn** | present | the corals *not said here* |  |  |  |  | white *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 4 | **bleach** | present · progressive | this |  |  |  |  |  | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 5 | **last** *a condition, not said to happen* | present | the heat |  |  |  |  | long *property* | vn cost-54.2 «NP V NP.value»: agent=Theme |
| 6 | **starve** | present | the coral |  |  |  |  |  | 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.

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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:biology:172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams.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): R7-rel-agree ×1, R8-pos-agree ×2. **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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- ← previous: [Coral reef builders: polyps, bleaching…, 1](https://md.mova.elamur.ai/free/en/corpora/school/biology/172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams/1/)
- next →: [Coral reef builders: polyps, bleaching…, 3](https://md.mova.elamur.ai/free/en/corpora/school/biology/172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams/3/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams/)

