---
title: A fish caught near Antarctica has see-through, colourless blood. Why… — Antarctica: emperor huddles, krill, cl… · tree and pragmatics
description: A fish caught near Antarctica has see-through, colourless blood. Why might it still get oxygen? Test 7 · ★★★ of lesson 170 «Antarctica: emperor huddles, krill, clear-blooded fish and stone-stealing penguins» of the biology course of Mova's primary school, with the dependency tree and pragmatics of t
---

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# Test 7 · ★★★ · Antarctica: emperor huddles, krill, clear-blooded fish and…

<!-- .ven lang=en -->
A fish caught near Antarctica has see-through, colourless blood. Why might it still get oxygen?

<!-- .vintro -->
**Mova's choice:** option 4 · **The right answer:** option 3 · wrong ✗ · **Who acts:** fish · **What happens:** catch, have, see, get · **To what, where:** fish, Antarctica, oxygen

<!-- .vabout -->
This is test 7 · ★★★ of lesson 170 «Antarctica: emperor huddles, krill, clear-blooded fish and stone-stealing penguins» 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/170-antarctica-emperor-huddles-krill-clear-blooded-fish-and-stone-stealing-penguins/#t7).

## The question {#question}

<!-- .note -->
*Sentence 1:* A fish caught near Antarctica has see-through, colourless blood.

```conllu
# sent_id = question:biology:170-antarctica-emperor-huddles-krill-clear-blooded-fish-and-stone-stealing-penguins:t7:1
# text = A fish caught near Antarctica has see-through, colourless blood.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	fish	fish	NOUN	NN	Number=Sing	6	nsubj	_	_
3	caught	catch	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	acl	_	_
4	near	near	ADP	IN	_	5	case	_	_
5	Antarctica	Antarctica	PROPN	NNP	Number=Sing	3	obl	_	_
6	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
7	see	see	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	xcomp	_	SpaceAfter=No
8	-	-	PUNCT	HYPH	_	9	punct	_	SpaceAfter=No
9	through	thorough	ADJ	JJ	Degree=Pos	7	compound	_	SpaceAfter=No
10	,	,	PUNCT	,	_	12	punct	_	_
11	colourless	colourless	ADJ	JJ	Degree=Pos	12	amod	_	_
12	blood	blood	NOUN	NN	Number=Sing	9	conj	_	SpaceAfter=No
13	.	.	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **catch** | participle |  | a fish *not said here* |  | Antarctica |  |  | vn get-13.5.1 «NP V NP»: agent=Agent |
| 2 | **have** | present | a fish |  |  |  |  |  | tree rules |
| 3 | **see** | participle | a fish *not said here* |  |  |  |  |  | vn comprehend-87.2-1-1 «NP V»: agent=Experiencer |

<!-- .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 might it still get oxygen?

```conllu
# sent_id = question:biology:170-antarctica-emperor-huddles-krill-clear-blooded-fish-and-stone-stealing-penguins:t7:2
# text = Why might it still get oxygen?
1	Why	why	ADV	WRB	PronType=Int	0	root	_	_
2	might	might	AUX	MD	VerbForm=Fin	5	aux	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
4	still	still	ADV	RB	_	5	advmod	_	_
5	get	get	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	1	advcl	_	_
6	oxygen	oxygen	NOUN	NN	Number=Sing	5	obj	_	SpaceAfter=No
7	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **get** | might | fish | oxygen |  |  | still |  | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer oxygen=Stimulus |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
It eats red berries for oxygen

```conllu
# sent_id = question:biology:170-antarctica-emperor-huddles-krill-clear-blooded-fish-and-stone-stealing-penguins:t7:o1:1
# text = It eats red berries for oxygen
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	red	red	ADJ	JJ	Degree=Pos	4	amod	_	_
4	berries	berry	NOUN	NNS	Number=Plur	2	obj	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	oxygen	oxygen	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **eat** | present | It | red berries |  |  |  | for oxygen | vn eat-39.1-1 «NP V NP»: agent=Agent berry=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
It does not need any oxygen

```conllu
# sent_id = question:biology:170-antarctica-emperor-huddles-krill-clear-blooded-fish-and-stone-stealing-penguins:t7:o2:1
# text = It does not need any oxygen
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	need	need	VERB	VB	VerbForm=Inf	0	root	_	_
5	any	any	DET	DT	PronType=Ind	6	det	_	_
6	oxygen	oxygen	NOUN	NN	Number=Sing	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **need** | present · do-support | It | any oxygen |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot oxygen=Theme |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Oxygen dissolves well in icy water, so its blood can carry enough without red cells

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:biology:170-antarctica-emperor-huddles-krill-clear-blooded-fish-and-stone-stealing-penguins:t7:o3:1
# text = Oxygen dissolves well in icy water, so its blood can carry enough without red cells
1	Oxygen	oxygen	NOUN	NN	Number=Sing	2	nsubj	_	_
2	dissolves	dissolve	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	well	well	ADV	RB	Degree=Pos	2	advmod	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	icy	icy	ADJ	JJ	Degree=Pos	6	amod	_	_
6	water	water	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
7	,	,	PUNCT	,	_	12	punct	_	_
8	so	so	ADV	RB	_	12	advmod	_	_
9	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
10	blood	blood	NOUN	NN	Number=Sing	12	nsubj	_	_
11	can	can	AUX	MD	VerbForm=Fin	12	aux	_	_
12	carry	carry	VERB	VB	VerbForm=Inf	2	conj	_	_
13	enough	enough	ADJ	JJ	Degree=Pos	12	obj	_	_
14	without	without	ADP	IN	_	16	case	_	_
15	red	red	ADJ	JJ	Degree=Pos	16	amod	_	_
16	cells	cell	NOUN	NNS	Number=Plur	12	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **dissolve** | present | Oxygen |  |  | icy water |  | well *property* | vn break-45.1 «NP.patient V»: agent=Patient |
| 2 | **carry** | can | Oxygen's blood | enough |  |  |  | without red cells | vn carry-11.4 «NP V NP»: agent=Agent enough=Theme |

### Option 4 · ← Mova's choice {#o4}

<!-- .ven lang=en -->
It breathes air at the surface

```conllu
# sent_id = question:biology:170-antarctica-emperor-huddles-krill-clear-blooded-fish-and-stone-stealing-penguins:t7:o4:1
# text = It breathes air at the surface
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	breathes	breathe	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	air	air	NOUN	NN	Number=Sing	2	obj	_	_
4	at	at	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	surface	surface	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **breathe** | present | It | air |  | the surface |  |  | vn breathe-40.1.2-1 «NP V NP»: agent=Agent air=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.

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