---
title: Why do grown-ups keep a piece of the plant a child has eaten? — Plants that sting, scratch and poison · tree and pragmatics
description: Why do grown-ups keep a piece of the plant a child has eaten? Test 4 · ★ of lesson 237 «Plants that sting, scratch and poison» of the everyday 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 4 · ★ · Plants that sting, scratch and poison

<!-- .ven lang=en -->
Why do grown-ups keep a piece of the plant a child has eaten?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** grown ups, child · **What happens:** grow, keep, eat · **To what, where:** piece

<!-- .vabout -->
This is test 4 · ★ of lesson 237 «Plants that sting, scratch and poison» of the everyday 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/everyday/237-plants-that-sting-and-poison/#t4).

## The question {#question}

```conllu
# sent_id = question:everyday:237-plants-that-sting-and-poison:t4:1
# text = Why do grown-ups keep a piece of the plant a child has eaten?
1	Why	why	ADV	WRB	PronType=Int	6	advmod	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	3	aux	_	_
3	grown	grow	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	amod	_	SpaceAfter=No
4	-	-	PUNCT	HYPH	_	3	punct	_	SpaceAfter=No
5	ups	up	NOUN	NNS	Number=Plur	6	nsubj	_	_
6	keep	keep	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	15	advcl	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	piece	piece	NOUN	NN	Number=Sing	6	obj	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	plant	plant	NOUN	NN	Number=Sing	8	nmod	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
13	child	child	NOUN	NN	Number=Sing	15	nsubj	_	_
14	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	aux	_	_
15	eaten	eat	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	SpaceAfter=No
16	?	?	PUNCT	.	_	15	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **grow** | present · do-support |  |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 2 | **keep** | present | grown ups | a piece of the plant |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent piece=Theme |
| 3 | **eat** | present · perfect | a child |  |  |  |  |  | vn eat-39.1-1 «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 -->
It can be planted later to grow a new one

```conllu
# sent_id = question:everyday:237-plants-that-sting-and-poison:t4:o1:1
# text = It can be planted later to grow a new one
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj:pass	_	_
2	can	can	AUX	MD	VerbForm=Fin	4	aux	_	_
3	be	be	AUX	VB	VerbForm=Inf	4	aux:pass	_	_
4	planted	plant	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	later	late	ADV	RBR	Degree=Cmp	4	advmod	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	grow	grow	VERB	VB	VerbForm=Inf	4	advcl	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
9	new	new	ADJ	JJ	Degree=Pos	10	amod	_	_
10	one	one	NOUN	NN	Number=Sing	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **plant** | can · passive |  | It |  |  |  | late *property* | vn establish-55.5-1 «NP V NP»: subject=Patient |
| 2 | **grow** | to-infinitive |  | a new one |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location one=Theme |

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
It tells the doctor or poison control what the poison was

```conllu
# sent_id = question:everyday:237-plants-that-sting-and-poison:t4:o2:1
# text = It tells the doctor or poison control what the poison was
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	tells	tell	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	doctor	doctor	NOUN	NN	Number=Sing	2	obj	_	_
5	or	or	CCONJ	CC	_	7	cc	_	_
6	poison	poison	NOUN	NN	Number=Sing	7	compound	_	_
7	control	control	NOUN	NN	Number=Sing	4	conj	_	_
8	what	what	PRON	WP	PronType=Int	2	ccomp	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	poison	poison	NOUN	NN	Number=Sing	8	nsubj	_	_
11	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	8	cop	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **tell** *speech: assert* | present | It | the doctor or poison control |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP.recipient»: agent=Agent doctor=Recipient |
| 2 | **is a** | past | the poison |  |  |  |  |  | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
It is needed so the child can eat it again

```conllu
# sent_id = question:everyday:237-plants-that-sting-and-poison:t4:o3:1
# text = It is needed so the child can eat it again
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	needed	need	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	so	so	SCONJ	IN	_	8	mark	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	child	child	NOUN	NN	Number=Sing	8	nsubj	_	_
7	can	can	AUX	MD	VerbForm=Fin	8	aux	_	_
8	eat	eat	VERB	VB	VerbForm=Inf	3	advcl	_	_
9	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	obj	_	_
10	again	again	ADV	RB	_	8	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **need** | present · passive |  | It |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: subject=Theme |
| 2 | **eat** | can | the child | it |  |  | again |  | vn eat-39.1-1 «NP V NP»: agent=Agent it=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
It proves to everyone that the child was being naughty

```conllu
# sent_id = question:everyday:237-plants-that-sting-and-poison:t4:o4:1
# text = It proves to everyone that the child was being naughty
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	proves	prove	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	to	to	ADP	IN	_	4	case	_	_
4	everyone	everyone	PRON	NN	Number=Sing|PronType=Tot	2	obl	_	_
5	that	that	SCONJ	IN	_	10	mark	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	child	child	NOUN	NN	Number=Sing	10	nsubj	_	_
8	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	10	cop	_	_
9	being	be	AUX	VBG	Tense=Pres|VerbForm=Part	10	cop	_	_
10	naughty	naughty	ADJ	JJ	Degree=Pos	2	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **prove** | present | It |  |  |  |  | to everyone | vn indicate-78-1-1 «NP V PP.recipient that S»: agent=Pivot to everyone=Experiencer |
| 2 | **is** | past | the child |  |  |  |  | naughty *property* | tree rules |

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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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