---
title: A mangrove seedling drops into the tide instead of the mud. What can… — Swamps, marshes, mangroves and bogs · tree and pragmatics
description: A mangrove seedling drops into the tide instead of the mud. What can happen? Test 11 of lesson 11 «Swamps, marshes, mangroves and bogs» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Test 11 · Swamps, marshes, mangroves and bogs

<!-- .ven lang=en -->
A mangrove seedling drops into the tide instead of the mud. What can happen?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** mangrove seedling · **What happens:** drop, happen · **To what, where:** tide

<!-- .vabout -->
This is test 11 of lesson 11 «Swamps, marshes, mangroves and bogs» 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/11-swamps-marshes-mangroves-and-bogs/#t11).

## The question {#question}

<!-- .note -->
*Sentence 1:* A mangrove seedling drops into the tide instead of the mud.

```conllu
# sent_id = question:biology:11-swamps-marshes-mangroves-and-bogs:t11:1
# text = A mangrove seedling drops into the tide instead of the mud.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	mangrove	mangrove	NOUN	NN	Number=Sing	3	compound	_	_
3	seedling	seedling	NOUN	NN	Number=Sing	4	nsubj	_	_
4	drops	drop	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	into	into	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	tide	tide	NOUN	NN	Number=Sing	4	obl	_	_
8	instead	instead	ADV	RB	ExtPos=ADP	11	case	_	_
9	of	of	ADP	IN	_	8	fixed	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	mud	mud	NOUN	NN	Number=Sing	4	obl	_	SpaceAfter=No
12	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **drop** | present | a mangrove seedling |  |  | the tide |  | instead the mud | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme into tide=Trajectory |

<!-- .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:* What can happen?

```conllu
# sent_id = question:biology:11-swamps-marshes-mangroves-and-bogs:t11:2
# text = What can happen?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | can |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
It can float for months and take root on a faraway shore

```conllu
# sent_id = question:biology:11-swamps-marshes-mangroves-and-bogs:t11:o1:1
# text = It can float for months and take root on a faraway shore
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	3	aux	_	_
3	float	float	VERB	VB	VerbForm=Inf	0	root	_	_
4	for	for	ADP	IN	_	5	case	_	_
5	months	month	NOUN	NNS	Number=Plur	3	obl	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	take	take	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
8	root	root	NOUN	NN	Number=Sing	7	obj	_	_
9	on	on	ADP	IN	_	12	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
11	faraway	faraway	ADJ	JJ	Degree=Pos	12	amod	_	_
12	shore	shore	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **float** | can | It |  |  |  | month |  | vn run-51.3.2-2 «NP V»: agent=Theme |
| 2 | **take** | present |  | root |  | a faraway shore |  |  | vn bring-11.3 «NP V NP PP.destination»: agent=Agent root=Theme on shore=Destination |

### Option 2 {#o2}

<!-- .ven lang=en -->
It sinks to the bottom and grows on the seabed among the fish and the coral

<!-- fold The tree, 16 words -->
```conllu
# sent_id = question:biology:11-swamps-marshes-mangroves-and-bogs:t11:o2:1
# text = It sinks to the bottom and grows on the seabed among the fish and the coral
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	sinks	sink	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	to	to	ADP	IN	_	5	case	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	bottom	bottom	NOUN	NN	Number=Sing	2	obl	_	_
6	and	and	CCONJ	CC	_	7	cc	_	_
7	grows	grow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	conj	_	_
8	on	on	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	seabed	seabed	NOUN	NN	Number=Sing	7	obl	_	_
11	among	among	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	fish	fish	NOUN	NN	Number=Sing	7	obl	_	_
14	and	and	CCONJ	CC	_	16	cc	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	coral	coral	NOUN	NN	Number=Sing	13	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **sink** | present | It |  |  |  |  | to the bottom | vn other\_cos-45.4 «NP.patient V»: agent=Patient |
| 2 | **grow** | present |  |  |  | the seabed |  | among the fish and the coral | vn appear-48.1.1 «NP V PP.location»: agent=Theme on seabed=Location |

### Option 3 {#o3}

<!-- .ven lang=en -->
It turns back into a seed

```conllu
# sent_id = question:biology:11-swamps-marshes-mangroves-and-bogs:t11:o3:1
# text = It turns back into a seed
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	back	back	ADV	RB	_	2	advmod	_	_
4	into	into	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	seed	seed	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **turn back** | present | It |  |  | a seed |  |  | vn banish-10.2 «NP V NP»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
It dies at once in the salty water

```conllu
# sent_id = question:biology:11-swamps-marshes-mangroves-and-bogs:t11:o4:1
# text = It dies at once in the salty water
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	dies	die	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	at	at	ADP	IN	_	4	case	_	_
4	once	once	ADV	RB	NumForm=Word|NumType=Mult	2	obl	_	_
5	in	in	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	salty	salty	ADJ	JJ	Degree=Pos	8	amod	_	_
8	water	water	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **die** | present | It |  |  |  |  | in the salty water | vn calibratable\_cos-45.6.1 «NP.patient V PP.attribute»: agent=Patient in water=Attribute |

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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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