---
title: On a few nights a year many corals release tiny pink bundles of eggs… — Coral reef builders: polyps, bleaching, sand fro… · tree and pragmatics
description: On a few nights a year many corals release tiny pink bundles of eggs and sperm into the water at the same time, like an underwater snowstorm. Who acts: many corals. A sentence of the lesson «Coral reef builders: polyps, bleaching, sand from parrotfish and giant clams» of the biology course of Mova's
---

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# Coral reef builders: polyps, bleaching, sand from parrotfish and giant clams, sentence 10

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On a few nights a year many corals release tiny pink bundles of eggs and sperm into the water at the same time, like an underwater snowstorm.

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**Who acts:** many corals · **What happens:** release · **To what, where:** tiny pink bundles, water

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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 (many corals), 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:10
# text = On a few nights a year many corals release tiny pink bundles of eggs and sperm into the water at the same time, like an underwater snowstorm.
# 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): no change
1	On	on	ADP	IN	_	4	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
3	few	few	ADJ	JJ	Degree=Pos	4	amod	_	_
4	nights	night	NOUN	NNS	Number=Plur	9	obl	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	year	year	NOUN	NN	Number=Sing	4	nmod:unmarked	_	_
7	many	many	ADJ	JJ	Degree=Pos	8	amod	_	_
8	corals	coral	NOUN	NNS	Number=Plur	9	nsubj	_	_
9	release	release	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
10	tiny	tiny	ADJ	JJ	Degree=Pos	12	amod	_	_
11	pink	pink	ADJ	JJ	Degree=Pos	12	amod	_	_
12	bundles	bundle	NOUN	NNS	Number=Plur	9	obj	_	_
13	of	of	ADP	IN	_	14	case	_	_
14	eggs	egg	NOUN	NNS	Number=Plur	12	nmod	_	_
15	and	and	CCONJ	CC	_	16	cc	_	_
16	sperm	sperm	NOUN	NN	Number=Sing	14	conj	_	_
17	into	into	ADP	IN	_	19	case	_	_
18	the	the	DET	DT	Definite=Def|PronType=Art	19	det	_	_
19	water	water	NOUN	NN	Number=Sing	9	obl	_	_
20	at	at	ADP	IN	_	23	case	_	_
21	the	the	DET	DT	Definite=Def|PronType=Art	23	det	_	_
22	same	same	ADJ	JJ	Degree=Pos	23	amod	_	_
23	time	time	NOUN	NN	Number=Sing	9	obl	_	_
24	,	,	PUNCT	,	_	28	punct	_	_
25	like	like	ADP	IN	_	28	case	_	_
26	an	a	DET	DT	Definite=Ind|PronType=Art	28	det	_	_
27	underwater	underwater	NOUN	NN	Number=Sing	28	compound	_	_
28	snowstorm	snowstorm	NOUN	NN	Number=Sing	9	obl	_	_
29	.	.	PUNCT	.	_	9	punct	_	_
```

## Pragmatics {#pragmatics}

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

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **release** | present | many corals | tiny pink bundles of eggs and sperm |  | the water | night; time | like a underwater snowstorm | vn free-10.6.3-1 «NP V NP S\_ING»: agent=Causer bundle=Source |

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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:biology:172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams.lesson:10`.

**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): no change. **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…, 9](https://md.mova.elamur.ai/free/en/corpora/school/biology/172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams/9/)
- next →: [Coral reef builders: polyps, bleaching…, 11](https://md.mova.elamur.ai/free/en/corpora/school/biology/172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams/11/)
- ↑ 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/)