---
title: A zoo frog of the same kind as a deadly wild poison dart frog has be… — The rainforest from below: understorey… · tree and pragmatics
description: A zoo frog of the same kind as a deadly wild poison dart frog has been fed only on fruit flies. Why is it not poisonous? Test 3 · ★ of lesson 3 «The rainforest from below: understorey and forest floor» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the que
---

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# Test 3 · ★ · The rainforest from below: understorey and forest floor

<!-- .ven lang=en -->
A zoo frog of the same kind as a deadly wild poison dart frog has been fed only on fruit flies. Why is it not poisonous?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** frog · **What happens:** feed, not be · **To what, where:** zoo frog

<!-- .vabout -->
This is test 3 · ★ of lesson 3 «The rainforest from below: understorey and forest floor» 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/3-the-rainforest-from-below/#t3).

## The question {#question}

<!-- .note -->
*Sentence 1:* A zoo frog of the same kind as a deadly wild poison dart frog has been fed only on fruit flies.

```conllu
# sent_id = question:biology:3-the-rainforest-from-below:t3:1
# text = A zoo frog of the same kind as a deadly wild poison dart frog has been fed only on fruit flies.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	zoo	zoo	NOUN	NN	Number=Sing	3	compound	_	_
3	frog	frog	NOUN	NN	Number=Sing	17	nsubj:pass	_	_
4	of	of	ADP	IN	_	7	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	same	same	ADJ	JJ	Degree=Pos	7	amod	_	_
7	kind	kind	NOUN	NN	Number=Sing	3	nmod	_	_
8	as	as	SCONJ	IN	_	17	mark	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
10	deadly	deadly	ADJ	JJ	Degree=Pos	14	amod	_	_
11	wild	wild	ADJ	JJ	Degree=Pos	14	amod	_	_
12	poison	poison	NOUN	NN	Number=Sing	13	compound	_	_
13	dart	dart	NOUN	NN	Number=Sing	14	compound	_	_
14	frog	frog	NOUN	NN	Number=Sing	17	nsubj:pass	_	_
15	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	aux	_	_
16	been	be	AUX	VBN	Tense=Past|VerbForm=Part	17	aux:pass	_	_
17	fed	feed	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
18	only	only	ADV	RB	_	21	advmod	_	_
19	on	on	ADP	IN	_	21	case	_	_
20	fruit	fruit	NOUN	NN	Number=Sing	21	compound	_	_
21	flies	fly	NOUN	NNS	Number=Plur	17	obl	_	SpaceAfter=No
22	.	.	PUNCT	.	_	17	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **feed** | present · perfect · passive |  | a zoo frog of the same kind |  |  |  | on fruit flies | vn feeding-39.7 «NP V NP»: subject=Recipient |

<!-- .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:* Why is it not poisonous?

```conllu
# sent_id = question:biology:3-the-rainforest-from-below:t3:2
# text = Why is it not poisonous?
1	Why	why	ADV	WRB	PronType=Int	5	advmod	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
4	not	not	PART	RB	Polarity=Neg	5	advmod	_	_
5	poisonous	poisonous	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
6	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **is** | present | frog |  |  |  |  | poisonous *property* | tree rules |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Poison dart frogs are never poisonous at all

```conllu
# sent_id = question:biology:3-the-rainforest-from-below:t3:o1:1
# text = Poison dart frogs are never poisonous at all
1	Poison	poison	NOUN	NN	Number=Sing	3	compound	_	_
2	dart	dart	NOUN	NN	Number=Sing	3	compound	_	_
3	frogs	frog	NOUN	NNS	Number=Plur	6	nsubj	_	_
4	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
5	never	never	ADV	RB	PronType=Neg	6	advmod	_	_
6	poisonous	poisonous	ADJ	JJ	Degree=Pos	0	root	_	_
7	at	at	ADP	IN	_	8	case	_	_
8	all	all	DET	DT	PronType=Tot	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **is** | present | Poison dart frogs |  |  | all |  | poisonous *property* | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
Zoo frogs lose their colour and their poison

```conllu
# sent_id = question:biology:3-the-rainforest-from-below:t3:o2:1
# text = Zoo frogs lose their colour and their poison
1	Zoo	zoo	NOUN	NN	Number=Sing	2	compound	_	_
2	frogs	frog	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	lose	lose	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	colour	colour	NOUN	NN	Number=Sing	3	obj	_	_
6	and	and	CCONJ	CC	_	8	cc	_	_
7	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
8	poison	poison	NOUN	NN	Number=Sing	5	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lose** | present | Zoo frogs | frogs's colour and frogs's poison |  |  |  |  | vn succeed-74-3-1 «NP V NP»: agent=Agent colour=Eventuality |

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

<!-- .ven lang=en -->
It does not get the ants and mites that its poison comes from

```conllu
# sent_id = question:biology:3-the-rainforest-from-below:t3:o3:1
# text = It does not get the ants and mites that its poison comes from
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	get	get	VERB	VB	VerbForm=Inf	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	ants	ant	NOUN	NNS	Number=Plur	4	obj	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	mites	mite	NOUN	NNS	Number=Plur	6	conj	_	_
9	that	that	SCONJ	IN	_	12	mark	_	_
10	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
11	poison	poison	NOUN	NN	Number=Sing	12	nsubj	_	_
12	comes	come	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	_	_
13	from	from	ADP	IN	_	12	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **get** | present · do-support | It | the ants and mites |  |  |  |  | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer ant=Stimulus |
| 2 | **come** | present | its poison |  |  |  |  |  | vn escape-51.1-1 «NP V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
The keepers wash the poison off its skin each morning with warm water

```conllu
# sent_id = question:biology:3-the-rainforest-from-below:t3:o4:1
# text = The keepers wash the poison off its skin each morning with warm water
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	keepers	keeper	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	wash	wash	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	poison	poison	NOUN	NN	Number=Sing	3	obj	_	_
6	off	off	ADP	IN	_	8	case	_	_
7	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
8	skin	skin	NOUN	NN	Number=Sing	3	obl	_	_
9	each	each	DET	DT	PronType=Tot	10	det	_	_
10	morning	morning	NOUN	NN	Number=Sing	3	obl:unmarked	_	_
11	with	with	ADP	IN	_	13	case	_	_
12	warm	warm	ADJ	JJ	Degree=Pos	13	amod	_	_
13	water	water	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **wash** | present | the keepers | the poison |  |  | morning | off poison's skin; with warm water | vn floss-41.2.1 «NP V NP PP.instrument»: agent=Agent poison=Patient with water=Instrument |

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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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