---
title: «beaver dams flood stuff, they're pests» What else do the dams do? — Conservation: how people help animals… · tree and pragmatics
description: «beaver dams flood stuff, they're pests» What else do the dams do? Test 10 · ★ of lesson 78 «Conservation: how people help animals come back» 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 10 · ★ · Conservation: how people help animals come back

<!-- .ven lang=en -->
«beaver dams flood stuff, they're pests» What else do the dams do?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** beaver dams, dams · **What happens:** flood, be, do · **To what, where:** stuff, pests

<!-- .vabout -->
This is test 10 · ★ of lesson 78 «Conservation: how people help animals come back» 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/78-conservation-animals-come-back/#t10).

## The question {#question}

```conllu
# sent_id = question:biology:78-conservation-animals-come-back:t10:1
# text = «beaver dams flood stuff, they're pests» What else do the dams do?
1	«	«	PUNCT	``	_	4	punct	_	SpaceAfter=No
2	beaver	beaver	NOUN	NN	Number=Sing	3	compound	_	_
3	dams	dam	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	flood	flood	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	stuff	stuff	NOUN	NN	Number=Sing	4	obj	_	SpaceAfter=No
6	,	,	PUNCT	,	_	9	punct	_	_
7	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	9	nsubj	_	SpaceAfter=No
8	're	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
9	pests	pest	NOUN	NNS	Number=Plur	4	conj	_	SpaceAfter=No
10	»	»	PUNCT	''	_	9	punct	_	_
11	What	what	PRON	WP	PronType=Int	4	obj	_	_
12	else	else	ADV	RB	_	11	advmod	_	_
13	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	16	aux	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	dams	dam	NOUN	NNS	Number=Plur	16	nsubj	_	_
16	do	do	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	11	acl:relcl	_	SpaceAfter=No
17	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **flood** *in a quote* | present | beaver dams | stuff |  |  |  |  | tree rules |
| 2 | **is a** *in a quote* | present | dams *= dam* | pests |  |  |  |  | tree rules |
| 3 | **do** | present · do-support | the dams |  |  |  |  |  | vn act-114-1 «NP V»: agent=Agent |

<!-- .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.

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Make rivers dry up completely

```conllu
# sent_id = question:biology:78-conservation-animals-come-back:t10:o1:1
# text = Make rivers dry up completely
1	Make	make	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	rivers	river	NOUN	NNS	Number=Plur	1	obj	_	_
3	dry	dry	VERB	VB	VerbForm=Inf	1	xcomp	_	_
4	up	up	ADP	RP	_	3	compound:prt	_	_
5	completely	completely	ADV	RB	_	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | imperative | you *not said here* | rivers |  |  |  |  | tree rules |
| 2 | **dry up** | infinitive | rivers *not said here* |  |  |  |  | completely *property* | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
Nothing useful at all

```conllu
# sent_id = question:biology:78-conservation-animals-come-back:t10:o2:1
# text = Nothing useful at all
1	Nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	0	root	_	_
2	useful	useful	ADJ	JJ	Degree=Pos	1	amod	_	_
3	at	at	ADP	IN	_	4	case	_	_
4	all	all	DET	DT	PronType=Tot	2	obl	_	_
```

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

### Option 3 · ← Mova's choice · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Slow rivers, hold water in droughts and reduce flooding further down

```conllu
# sent_id = question:biology:78-conservation-animals-come-back:t10:o3:1
# text = Slow rivers, hold water in droughts and reduce flooding further down
1	Slow	slow	ADJ	JJ	Degree=Pos	2	amod	_	_
2	rivers	river	NOUN	NNS	Number=Plur	4	nsubj	_	SpaceAfter=No
3	,	,	PUNCT	,	_	2	punct	_	_
4	hold	hold	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	water	water	NOUN	NN	Number=Sing	4	obj	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	droughts	drought	NOUN	NNS	Number=Plur	4	obl	_	_
8	and	and	CCONJ	CC	_	9	cc	_	_
9	reduce	reduce	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
10	flooding	flood	VERB	VBG	VerbForm=Ger	9	xcomp	_	_
11	further	further	ADV	RB	_	12	advmod	_	_
12	down	down	ADV	RB	_	10	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hold** | present | Slow rivers | water |  | droughts |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent water=Theme in drought=Location |
| 2 | **reduce** | present | Slow rivers *not said here* |  |  |  |  |  | vn limit-76 «NP V NP S\_INF»: agent=Causer clause=Goal |
| 3 | **flood** | gerund | Slow rivers *not said here* |  |  |  |  | down *property* | vn other\_cos-45.4 «NP.patient V»: agent=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
Poison the frogs and insects

```conllu
# sent_id = question:biology:78-conservation-animals-come-back:t10:o4:1
# text = Poison the frogs and insects
1	Poison	poison	NOUN	NN	Number=Sing	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	frogs	frog	NOUN	NNS	Number=Plur	1	conj	_	_
4	and	and	CCONJ	CC	_	5	cc	_	_
5	insects	insect	NOUN	NNS	Number=Plur	1	conj	_	_
```

<!-- .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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