---
title: A zoo frog is the same bright blue as a wild one. Why is it safe whi… — How animals defend themselves · tree and pragmatics
description: A zoo frog is the same bright blue as a wild one. Why is it safe while the wild one is poisonous? Test 3 of lesson 53 «How animals defend themselves» 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 3 · How animals defend themselves

<!-- .ven lang=en -->
A zoo frog is the same bright blue as a wild one. Why is it safe while the wild one is poisonous?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** zoo frog, frog, wild one · **What happens:** be

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This is test 3 of lesson 53 «How animals defend themselves» 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/53-how-animals-defend-themselves/#t3).

## The question {#question}

<!-- .note -->
*Sentence 1:* A zoo frog is the same bright blue as a wild one.

```conllu
# sent_id = question:biology:53-how-animals-defend-themselves:t3:1
# text = A zoo frog is the same bright blue as a wild one.
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	8	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
6	same	same	ADJ	JJ	Degree=Pos	8	amod	_	_
7	bright	bright	ADJ	JJ	Degree=Pos	8	amod	_	_
8	blue	blue	ADJ	JJ	Degree=Pos	0	root	_	_
9	as	as	ADP	IN	_	12	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
11	wild	wild	ADJ	JJ	Degree=Pos	12	amod	_	_
12	one	one	NOUN	NN	Number=Sing	8	obl	_	SpaceAfter=No
13	.	.	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | a zoo frog |  |  |  |  | as a wild one; blue *property* | tree rules |

<!-- .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 safe while the wild one is poisonous?

```conllu
# sent_id = question:biology:53-how-animals-defend-themselves:t3:2
# text = Why is it safe while the wild one is poisonous?
1	Why	why	ADV	WRB	PronType=Int	4	advmod	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
4	safe	safe	ADJ	JJ	Degree=Pos	0	root	_	_
5	while	while	SCONJ	IN	_	10	mark	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	wild	wild	ADJ	JJ	Degree=Pos	8	amod	_	_
8	one	one	NOUN	NN	Number=Sing	10	nsubj	_	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	cop	_	_
10	poisonous	poisonous	ADJ	JJ	Degree=Pos	4	advcl	_	SpaceAfter=No
11	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | frog |  |  |  |  | safe *property* | tree rules |
| 2 | **is** | present | the wild one |  |  |  |  | poisonous *property* | tree rules |

## The options {#options}

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

<!-- .ven lang=en -->
It eats crickets and fruit flies, not the wild ants and mites

```conllu
# sent_id = question:biology:53-how-animals-defend-themselves:t3:o1:1
# text = It eats crickets and fruit flies, not the wild ants and mites
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	eats	eat	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	crickets	cricket	NOUN	NNS	Number=Plur	2	obj	_	_
4	and	and	CCONJ	CC	_	6	cc	_	_
5	fruit	fruit	NOUN	NN	Number=Sing	6	compound	_	_
6	flies	fly	NOUN	NNS	Number=Plur	3	conj	_	SpaceAfter=No
7	,	,	PUNCT	,	_	11	punct	_	_
8	not	not	PART	RB	Polarity=Neg	11	advmod	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
10	wild	wild	ADJ	JJ	Degree=Pos	11	amod	_	_
11	ants	ant	NOUN	NNS	Number=Plur	3	conj	_	_
12	and	and	CCONJ	CC	_	13	cc	_	_
13	mites	mite	NOUN	NNS	Number=Plur	3	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **eat** | present | It | crickets and fruit flies and the wild ants and mites |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent cricket=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
It is only poisonous in the rain

```conllu
# sent_id = question:biology:53-how-animals-defend-themselves:t3:o2:1
# text = It is only poisonous in the rain
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	only	only	ADV	RB	_	4	advmod	_	_
4	poisonous	poisonous	ADJ	JJ	Degree=Pos	0	root	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	rain	rain	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | It |  |  | the rain |  | poisonous *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Zookeepers wash all of the poison off its skin every single morning

```conllu
# sent_id = question:biology:53-how-animals-defend-themselves:t3:o3:1
# text = Zookeepers wash all of the poison off its skin every single morning
1	Zookeepers	zookeeper	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	wash	wash	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	all	all	DET	DT	PronType=Tot	2	obj	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	poison	poison	NOUN	NN	Number=Sing	3	nmod	_	_
7	off	off	ADP	IN	_	9	case	_	_
8	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	9	nmod:poss	_	_
9	skin	skin	NOUN	NN	Number=Sing	2	obl	_	_
10	every	every	DET	DT	PronType=Tot	12	det	_	_
11	single	single	ADJ	JJ	Degree=Pos	12	amod	_	_
12	morning	morning	NOUN	NN	Number=Sing	2	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **wash** | present | Zookeepers | all |  | poison's skin | morning |  | vn wipe\_manner-10.4.1-1 «NP V NP PP.source»: agent=Agent all=Theme off skin=Source |

### Option 4 {#o4}

<!-- .ven lang=en -->
Zoo glass soaks up the poison

```conllu
# sent_id = question:biology:53-how-animals-defend-themselves:t3:o4:1
# text = Zoo glass soaks up the poison
1	Zoo	Zoo	PROPN	NNP	Number=Sing	2	compound	_	_
2	glass	glass	NOUN	NN	Number=Sing	3	nsubj	_	_
3	soaks	soak	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	up	up	ADP	RP	_	3	compound:prt	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	poison	poison	NOUN	NN	Number=Sing	3	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **soak up** | present | Zoo glass | the poison |  |  |  |  | vn wipe\_manner-10.4.1 «NP V NP.source»: agent=Agent poison=Source |

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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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