---
title: In a horror film a giant flytrap eats people. What is true about a r… — Who eats whom: predators, prey, scaven… · tree and pragmatics
description: In a horror film a giant flytrap eats people. What is true about a real Venus flytrap? Test 7 · ★★ of lesson 47 «Who eats whom: predators, prey, scavengers and decomposers» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mov
---

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# Test 7 · ★★ · Who eats whom: predators, prey, scavengers and decomposers

<!-- .ven lang=en -->
In a horror film a giant flytrap eats people. What is true about a real Venus flytrap?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** giant flytrap · **What happens:** eat, be · **To what, where:** people, horror film

<!-- .vabout -->
This is test 7 · ★★ of lesson 47 «Who eats whom: predators, prey, scavengers and decomposers» 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/47-predators-prey-scavengers-decomposers/#t7).

## The question {#question}

<!-- .note -->
*Sentence 1:* In a horror film a giant flytrap eats people.

```conllu
# sent_id = question:biology:47-predators-prey-scavengers-decomposers:t7:1
# text = In a horror film a giant flytrap eats people.
1	In	in	ADP	IN	_	4	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
3	horror	horror	NOUN	NN	Number=Sing	4	compound	_	_
4	film	film	NOUN	NN	Number=Sing	8	obl	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	giant	giant	ADJ	JJ	Degree=Pos	7	amod	_	_
7	flytrap	flytrap	NOUN	NN	Number=Sing	8	nsubj	_	_
8	eats	eat	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	people	people	NOUN	NNS	Number=Plur	8	obj	_	SpaceAfter=No
10	.	.	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **eat** | present | a giant flytrap | people |  | a horror film |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent people=Patient |

<!-- .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 is true about a real Venus flytrap?

```conllu
# sent_id = question:biology:47-predators-prey-scavengers-decomposers:t7:2
# text = What is true about a real Venus flytrap?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	true	true	ADJ	JJ	Degree=Pos	0	root	_	_
4	about	about	ADP	IN	_	8	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
6	real	real	ADJ	JJ	Degree=Pos	8	amod	_	_
7	Venus	Venus	PROPN	NNP	Number=Sing	8	compound	_	_
8	flytrap	flytrap	NOUN	NN	Number=Sing	3	obl	_	SpaceAfter=No
9	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present |  |  |  |  |  | about a real Venus flytrap; true *property* | tree rules |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
It lives in every garden in Europe

```conllu
# sent_id = question:biology:47-predators-prey-scavengers-decomposers:t7:o1:1
# text = It lives in every garden in Europe
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	lives	live	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	in	in	ADP	IN	_	5	case	_	_
4	every	every	DET	DT	PronType=Tot	5	det	_	_
5	garden	garden	NOUN	NN	Number=Sing	2	obl	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	Europe	Europe	PROPN	NNP	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **live** | present | It |  |  | every garden |  | in Europe | vn lodge-46 «NP V PP.location»: agent=Theme in garden=Location |

### Option 2 {#o2}

<!-- .ven lang=en -->
It grows big enough to eat dogs

```conllu
# sent_id = question:biology:47-predators-prey-scavengers-decomposers:t7:o2:1
# text = It grows big enough to eat dogs
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	grows	grow	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	big	big	ADJ	JJ	Degree=Pos	2	xcomp	_	_
4	enough	enough	ADV	RB	_	3	advmod	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	eat	eat	VERB	VB	VerbForm=Inf	3	advcl	_	_
7	dogs	dog	NOUN	NNS	Number=Plur	6	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **grow** | present | It |  |  |  |  | big *property* | vn appear-48.1.1 «NP V»: agent=Theme |
| 2 | **eat** | to-infinitive |  | dogs |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent dog=Patient |

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

<!-- .ven lang=en -->
It is a small plant catching insects in a few wild places in the Carolinas

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:biology:47-predators-prey-scavengers-decomposers:t7:o3:1
# text = It is a small plant catching insects in a few wild places in the Carolinas
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	small	small	ADJ	JJ	Degree=Pos	5	amod	_	_
5	plant	plant	NOUN	NN	Number=Sing	0	root	_	_
6	catching	catch	VERB	VBG	VerbForm=Ger	5	acl	_	_
7	insects	insect	NOUN	NNS	Number=Plur	6	obj	_	_
8	in	in	ADP	IN	_	12	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
10	few	few	ADJ	JJ	Degree=Pos	12	amod	_	_
11	wild	wild	ADJ	JJ	Degree=Pos	12	amod	_	_
12	places	place	NOUN	NNS	Number=Plur	6	obl	_	_
13	in	in	ADP	IN	_	15	case	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	Carolinas	Carolinas	PROPN	NNP	Number=Sing	12	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | a small plant |  |  |  |  | tree rules |
| 2 | **catch** | gerund | a small plant *not said here* | insects |  | a few wild places in the Carolinas |  |  | vn get-13.5.1 «NP V NP»: agent=Agent insect=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
It catches insects with long roots that reach up out of the ground and grab them

<!-- fold The tree, 16 words -->
```conllu
# sent_id = question:biology:47-predators-prey-scavengers-decomposers:t7:o4:1
# text = It catches insects with long roots that reach up out of the ground and grab them
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	catches	catch	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	insects	insect	NOUN	NNS	Number=Plur	2	obj	_	_
4	with	with	ADP	IN	_	6	case	_	_
5	long	long	ADJ	JJ	Degree=Pos	6	amod	_	_
6	roots	root	NOUN	NNS	Number=Plur	2	obl	_	_
7	that	that	PRON	WDT	PronType=Rel	8	nsubj	_	_
8	reach	reach	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
9	up	up	ADP	RP	_	8	compound:prt	_	_
10	out	out	ADP	IN	_	13	case	_	_
11	of	of	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	ground	ground	NOUN	NN	Number=Sing	8	obl	_	_
14	and	and	CCONJ	CC	_	15	cc	_	_
15	grab	grab	VERB	VB	VerbForm=Inf	8	conj	_	_
16	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	15	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **catch** | present | It | insects |  |  |  | with long roots | vn get-13.5.1 «NP V NP»: agent=Agent insect=Theme |
| 2 | **reach up** | present | long roots |  |  | the ground |  |  | vn body\_motion-49.2-1-1 «NP V PP»: agent=Agent out ground=Path |
| 3 | **grab** | infinitive | long roots *not said here* | insects *= insect* |  |  |  |  | vn steal-10.5-1 «NP V NP»: agent=Agent they=Theme |

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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.

<!-- /div -->

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