---
title: Inside the polyps live tiny algae that make food from sunlight and s… — Coral reef builders: polyps, bleaching, sand fro… · tree and pragmatics
description: Inside the polyps live tiny algae that make food from sunlight and share it, which is why reefs need clear, shallow, sunny water, and why a reef in poor blue water is full of life, like an oasis in a desert. Who acts: tiny algae, reefs, reef. A sentence of the lesson «Coral reef builders: polyps, bl
---

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# Coral reef builders: polyps, bleaching, sand from parrotfish and giant clams, sentence 1

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Inside the polyps live tiny algae that make food from sunlight and share it, which is why reefs need clear, shallow, sunny water, and why a reef in poor blue water is full of life, like an oasis in a desert.

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**Who acts:** tiny algae, reefs, reef · **What happens:** live, make, share, be, need · **To what, where:** polyps, food, sunlight, clear shallow sunny 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 (tiny algae, reefs, reef), 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:1
# text = Inside the polyps live tiny algae that make food from sunlight and share it, which is why reefs need clear, shallow, sunny water, and why a reef in poor blue water is full of life, like an oasis in a desert.
# 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): R5-strong ×1, R7-rel-agree ×1, R8-pos-agree ×1
1	Inside	inside	ADP	IN	_	3	case	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	polyps	polyp	NOUN	NNS	Number=Plur	4	obl	_	_
4	live	live	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	tiny	tiny	ADJ	JJ	Degree=Pos	6	amod	_	_
6	algae	alga	NOUN	NNS	Number=Plur	4	nsubj	_	_
7	that	that	PRON	WDT	PronType=Rel	8	nsubj	_	_
8	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
9	food	food	NOUN	NN	Number=Sing	8	obj	_	_
10	from	from	ADP	IN	_	11	case	_	_
11	sunlight	sunlight	NOUN	NN	Number=Sing	8	obl	_	_
12	and	and	CCONJ	CC	_	13	cc	_	_
13	share	share	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	conj	_	Agree=R8-pos-agree|Haiku=8:conj|HaikuPos=VERB:VB:VerbForm=Inf
14	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	13	obj	_	_
15	,	,	PUNCT	,	_	18	punct	_	_
16	which	which	PRON	WDT	PronType=Rel	18	nsubj	_	_
17	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	18	cop	_	_
18	why	why	ADV	WRB	PronType=Int	20	advmod	_	_
19	reefs	reef	NOUN	NNS	Number=Plur	20	nsubj	_	_
20	need	need	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	13	advcl	_	_
21	clear	clear	ADJ	JJ	Degree=Pos	26	amod	_	_
22	,	,	PUNCT	,	_	21	punct	_	_
23	shallow	shallow	ADJ	JJ	Degree=Pos	26	amod	_	_
24	,	,	PUNCT	,	_	23	punct	_	_
25	sunny	sunny	ADJ	JJ	Degree=Pos	26	amod	_	_
26	water	water	NOUN	NN	Number=Sing	20	obj	_	_
27	,	,	PUNCT	,	_	37	punct	_	_
28	and	and	CCONJ	CC	_	37	cc	_	_
29	why	why	ADV	WRB	PronType=Int	37	advmod	_	_
30	a	a	DET	DT	Definite=Ind|PronType=Art	31	det	_	_
31	reef	reef	NOUN	NN	Number=Sing	37	nsubj	_	_
32	in	in	ADP	IN	_	35	case	_	_
33	poor	poor	ADJ	JJ	Degree=Pos	35	amod	_	_
34	blue	blue	ADJ	JJ	Degree=Pos	35	amod	_	_
35	water	water	NOUN	NN	Number=Sing	31	nmod	_	_
36	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	37	cop	_	_
37	full	full	ADJ	JJ	Degree=Pos	4	conj	_	_
38	of	of	ADP	IN	_	39	case	_	_
39	life	life	NOUN	NN	Number=Sing	37	obl	_	_
40	,	,	PUNCT	,	_	43	punct	_	_
41	like	like	ADP	IN	_	43	case	_	_
42	an	a	DET	DT	Definite=Ind|PronType=Art	43	det	_	_
43	oasis	oasis	NOUN	NN	Number=Sing	37	obl	_	Agree=R7-rel-agree|Haiku=37:conj
44	in	in	ADP	IN	_	46	case	_	_
45	a	a	DET	DT	Definite=Ind|PronType=Art	46	det	_	_
46	desert	desert	NOUN	NN	Number=Sing	43	nmod	_	Agree=R5-strong|Haiku=37:obl
47	.	.	PUNCT	.	_	4	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 | **live** | present | tiny algae |  |  | the polyps |  |  | vn exist-47.1-1 «NP V PP.location»: agent=Theme inside polyp=Location |
| 2 | **make** | present | tiny algae | food |  | sunlight |  |  | vn build-26.1-1 «NP.asset V PP»: agent=Asset food=Product from sunlight=Material |
| 3 | **share** | present | tiny algae *not said here* | food |  |  |  |  | tree rules |
| 4 | **is** | present |  |  |  |  |  | why *property* | tree rules |
| 5 | **need** | present | reefs | clear shallow sunny water |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot water=Theme |
| 6 | **is** | present | a reef in poor blue water |  |  |  |  | of life; like a oasis in a desert; full *property* | 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:1`.

**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 ×1, R7-rel-agree ×1, R8-pos-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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- ← previous: [Coral reef builders: polyps, bleaching…, 0](https://md.mova.elamur.ai/free/en/corpora/school/biology/172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams/0/)
- next →: [Coral reef builders: polyps, bleaching…, 2](https://md.mova.elamur.ai/free/en/corpora/school/biology/172-coral-reef-builders-polyps-bleaching-sand-from-parrotfish-and-giant-clams/2/)
- ↑ 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/)