---
title: «polar bears are white bears with white skin, obviously» What is rig… — Evolution simply: why living things ch… · tree and pragmatics
description: «polar bears are white bears with white skin, obviously» What is right? Test 7 · ★ of lesson 73 «Evolution simply: why living things change over many generations» 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
---

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# Test 7 · ★ · Evolution simply: why living things change over many gener…

<!-- .ven lang=en -->
«polar bears are white bears with white skin, obviously» What is right?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** polar bears, white bears · **What happens:** be · **To what, where:** white bears

<!-- .vabout -->
This is test 7 · ★ of lesson 73 «Evolution simply: why living things change over many generations» 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/73-evolution-simply/#t7).

## The question {#question}

```conllu
# sent_id = question:biology:73-evolution-simply:t7:1
# text = «polar bears are white bears with white skin, obviously» What is right?
1	«	«	PUNCT	``	_	6	punct	_	SpaceAfter=No
2	polar	polar	ADJ	JJ	Degree=Pos	3	amod	_	_
3	bears	bear	NOUN	NNS	Number=Plur	6	nsubj	_	_
4	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
5	white	white	ADJ	JJ	Degree=Pos	6	amod	_	_
6	bears	bear	NOUN	NNS	Number=Plur	15	nsubj	_	_
7	with	with	ADP	IN	_	9	case	_	_
8	white	white	ADJ	JJ	Degree=Pos	9	amod	_	_
9	skin	skin	NOUN	NN	Number=Sing	6	nmod	_	SpaceAfter=No
10	,	,	PUNCT	,	_	11	punct	_	_
11	obviously	obviously	ADV	RB	_	15	advmod	_	SpaceAfter=No
12	»	»	PUNCT	''	_	11	punct	_	_
13	What	what	PRON	WP	PronType=Int	15	nsubj	_	_
14	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	cop	_	_
15	right	right	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
16	?	?	PUNCT	.	_	15	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** *in a quote* | present | polar bears | white bears |  |  |  | with white skin | tree rules |
| 2 | **is** | present | white bears |  |  |  |  | obviously, right *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.

## The options {#options}

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

<!-- .ven lang=en -->
Their fur is made of clear hairs and their skin is black

```conllu
# sent_id = question:biology:73-evolution-simply:t7:o1:1
# text = Their fur is made of clear hairs and their skin is black
1	Their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	fur	fur	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	of	of	ADP	IN	_	7	case	_	_
6	clear	clear	ADJ	JJ	Degree=Pos	7	amod	_	_
7	hairs	hair	NOUN	NNS	Number=Plur	4	obl	_	_
8	and	and	CCONJ	CC	_	12	cc	_	_
9	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
10	skin	skin	NOUN	NN	Number=Sing	12	nsubj	_	_
11	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	cop	_	_
12	black	black	ADJ	JJ	Degree=Pos	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present · passive |  | Their fur |  |  |  | of clear hairs | vn build-26.1-1 «NP.asset V NP»: subject=Product |
| 2 | **is** | present | hairs's skin |  |  |  |  | black *property* | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
Their skin is pink and their fur is grey

```conllu
# sent_id = question:biology:73-evolution-simply:t7:o2:1
# text = Their skin is pink and their fur is grey
1	Their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	skin	skin	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	pink	pink	ADJ	JJ	Degree=Pos	0	root	_	_
5	and	and	CCONJ	CC	_	9	cc	_	_
6	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	fur	fur	NOUN	NN	Number=Sing	9	nsubj	_	_
8	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	cop	_	_
9	grey	grey	ADJ	JJ	Degree=Pos	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Their skin |  |  |  |  | pink *property* | tree rules |
| 2 | **is** | present | their fur |  |  |  |  | grey *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Their fur is coated in white snow that never melts

```conllu
# sent_id = question:biology:73-evolution-simply:t7:o3:1
# text = Their fur is coated in white snow that never melts
1	Their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	fur	fur	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	coated	coat	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	white	white	ADJ	JJ	Degree=Pos	7	amod	_	_
7	snow	snow	NOUN	NN	Number=Sing	4	obl	_	_
8	that	that	PRON	WDT	PronType=Rel	10	nsubj	_	_
9	never	never	ADV	RB	PronType=Neg	10	advmod	_	_
10	melts	melt	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	acl:relcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **coat** | present · passive |  | Their fur |  |  |  | in white snow | vn fill-9.8-1 «NP V NP PP.theme»: subject=Destination in snow=Theme |
| 2 | **not** **melt** | present | white snow |  |  |  |  |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
Yes, white fur on white skin, like snow

```conllu
# sent_id = question:biology:73-evolution-simply:t7:o4:1
# text = Yes, white fur on white skin, like snow
1	Yes	yes	INTJ	UH	Polarity=Pos	3	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	white	white	ADJ	JJ	Degree=Pos	4	amod	_	_
4	fur	fur	NOUN	NN	Number=Sing	0	root	_	_
5	on	on	ADP	IN	_	7	case	_	_
6	white	white	ADJ	JJ	Degree=Pos	7	amod	_	_
7	skin	skin	NOUN	NN	Number=Sing	4	nmod	_	SpaceAfter=No
8	,	,	PUNCT	,	_	10	punct	_	_
9	like	like	ADP	IN	_	10	case	_	_
10	snow	snow	NOUN	NN	Number=Sing	4	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.

<!-- /div -->

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