---
title: A big wave hits a coast with mangroves, and another with no mangrove… — Plants deeper: roots and how they drin… · tree and pragmatics
description: A big wave hits a coast with mangroves, and another with no mangroves. Which coast is better protected? Test 10 of lesson 250 «Plants deeper: roots and how they drink, hold and push» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each o
---

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# Test 10 · Plants deeper: roots and how they drink, hold and push

<!-- .ven lang=en -->
A big wave hits a coast with mangroves, and another with no mangroves. Which coast is better protected?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 4 · wrong ✗ · **Who acts:** big wave, coast · **What happens:** hit, be · **To what, where:** coast

<!-- .vabout -->
This is test 10 of lesson 250 «Plants deeper: roots and how they drink, hold and push» of the biology course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/biology/250-plants-deeper-roots-and-how-they-drink-hold-and-push/#t10).

## The question {#question}

<!-- .note -->
*Sentence 1:* A big wave hits a coast with mangroves, and another with no mangroves.

```conllu
# sent_id = question:biology:250-plants-deeper-roots-and-how-they-drink-hold-and-push:t10:1
# text = A big wave hits a coast with mangroves, and another with no mangroves.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	big	big	ADJ	JJ	Degree=Pos	3	amod	_	_
3	wave	wave	NOUN	NN	Number=Sing	4	nsubj	_	_
4	hits	hit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	coast	coast	NOUN	NN	Number=Sing	4	obj	_	_
7	with	with	ADP	IN	_	8	case	_	_
8	mangroves	mangrove	NOUN	NNS	Number=Plur	4	obl	_	SpaceAfter=No
9	,	,	PUNCT	,	_	11	punct	_	_
10	and	and	CCONJ	CC	_	11	cc	_	_
11	another	another	DET	DT	PronType=Ind	4	obl	_	_
12	with	with	ADP	IN	_	14	case	_	_
13	no	no	DET	DT	PronType=Neg	14	det	_	_
14	mangroves	mangrove	NOUN	NNS	Number=Plur	11	nmod	_	SpaceAfter=No
15	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hit** | present | a big wave | a coast |  |  |  | with mangroves; another *obl* | vn hit-18.1-1 «NP V NP PP.instrument»: agent=Agent coast=Patient with mangrove=Instrument |

<!-- .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.

<!-- .note -->
*Sentence 2:* Which coast is better protected?

```conllu
# sent_id = question:biology:250-plants-deeper-roots-and-how-they-drink-hold-and-push:t10:2
# text = Which coast is better protected?
1	Which	which	DET	WDT	PronType=Int	2	det	_	_
2	coast	coast	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	better	good	ADJ	JJR	Degree=Cmp	0	root	_	_
5	protected	protect	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	cop	_	SpaceAfter=No
6	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | which coast |  |  |  |  | good *property* | tree rules |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Both of them exactly the same

```conllu
# sent_id = question:biology:250-plants-deeper-roots-and-how-they-drink-hold-and-push:t10:o1:1
# text = Both of them exactly the same
1	Both	both	DET	DT	PronType=Tot	6	nsubj	_	_
2	of	of	ADP	IN	_	3	case	_	_
3	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	1	nmod	_	_
4	exactly	exactly	ADV	RB	_	6	advmod	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	same	same	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 2 {#o2}

<!-- .ven lang=en -->
The one without mangroves

```conllu
# sent_id = question:biology:250-plants-deeper-roots-and-how-they-drink-hold-and-push:t10:o2:1
# text = The one without mangroves
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	one	one	NOUN	NN	Number=Sing	0	root	_	_
3	without	without	ADP	IN	_	4	case	_	_
4	mangroves	mangrove	NOUN	NNS	Number=Plur	2	nmod	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
Neither, mangroves make waves bigger

```conllu
# sent_id = question:biology:250-plants-deeper-roots-and-how-they-drink-hold-and-push:t10:o3:1
# text = Neither, mangroves make waves bigger
1	Neither	neither	ADV	RB	_	4	advmod	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	mangroves	mangrove	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	waves	wave	NOUN	NNS	Number=Plur	4	obj	_	_
6	bigger	big	ADJ	JJR	Degree=Cmp	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | mangroves | waves |  |  |  | big, neither *property* | vn build-26.1-1 «NP.asset V NP»: agent=Asset wave=Product |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
The one with mangroves

```conllu
# sent_id = question:biology:250-plants-deeper-roots-and-how-they-drink-hold-and-push:t10:o4:1
# text = The one with mangroves
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	one	one	NOUN	NN	Number=Sing	0	root	_	_
3	with	with	ADP	IN	_	4	case	_	_
4	mangroves	mangrove	NOUN	NNS	Number=Plur	2	nmod	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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