---
title: «narwhal tusk = unicorn horn, so unicorns were real» What is right? — More record-breakers and oddballs: slo… · tree and pragmatics
description: «narwhal tusk = unicorn horn, so unicorns were real» What is right? Test 3 of lesson 45 «More record-breakers and oddballs: sloth, narwhal, chameleon, electric eel, giraffe» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mo
---

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# Test 3 · More record-breakers and oddballs: sloth, narwhal, chamele…

<!-- .ven lang=en -->
«narwhal tusk = unicorn horn, so unicorns were real» What is right?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** unicorns, unicorn horn · **What happens:** be

<!-- .vabout -->
This is test 3 of lesson 45 «More record-breakers and oddballs: sloth, narwhal, chameleon, electric eel, giraffe» 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/45-sloth-narwhal-chameleon-eel-giraffe/#t3).

## The question {#question}

```conllu
# sent_id = question:biology:45-sloth-narwhal-chameleon-eel-giraffe:t3:1
# text = «narwhal tusk = unicorn horn, so unicorns were real» What is right?
1	«	«	PUNCT	``	_	3	punct	_	SpaceAfter=No
2	narwhal	narwhal	NOUN	NN	Number=Sing	3	compound	_	_
3	tusk	tusk	NOUN	NN	Number=Sing	6	nsubj	_	_
4	=	=	SYM	SYM	_	6	punct	_	_
5	unicorn	unicorn	NOUN	NN	Number=Sing	6	compound	_	_
6	horn	horn	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
7	,	,	PUNCT	,	_	11	punct	_	_
8	so	so	ADV	RB	_	11	advmod	_	_
9	unicorns	unicorn	NOUN	NNS	Number=Plur	11	nsubj	_	_
10	were	be	AUX	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	11	cop	_	_
11	real	real	ADJ	JJ	Degree=Pos	6	parataxis	_	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	6	parataxis	_	SpaceAfter=No
16	?	?	PUNCT	.	_	6	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** *in a quote* | past | unicorns |  |  |  |  | real *property* | tree rules |
| 2 | **is** | present | unicorn horn |  |  |  |  | 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 {#o1}

<!-- .ven lang=en -->
No, the tusk is made of ice

```conllu
# sent_id = question:biology:45-sloth-narwhal-chameleon-eel-giraffe:t3:o1:1
# text = No, the tusk is made of ice
1	No	no	INTJ	UH	Polarity=Neg	6	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	tusk	tusk	NOUN	NN	Number=Sing	6	nsubj:pass	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux:pass	_	_
6	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
7	of	of	ADP	IN	_	8	case	_	_
8	ice	ice	NOUN	NN	Number=Sing	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present · passive |  | the tusk |  |  |  | of ice | vn build-26.1-1 «NP.asset V NP»: subject=Product |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
The tusk is a narwhal's tooth, once sold as a unicorn horn

```conllu
# sent_id = question:biology:45-sloth-narwhal-chameleon-eel-giraffe:t3:o2:1
# text = The tusk is a narwhal's tooth, once sold as a unicorn horn
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	tusk	tusk	NOUN	NN	Number=Sing	7	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	narwhal	narwhal	NOUN	NN	Number=Sing	7	nmod:poss	_	SpaceAfter=No
6	's	's	PART	POS	_	5	case	_	_
7	tooth	tooth	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
8	,	,	PUNCT	,	_	10	punct	_	_
9	once	once	ADV	RB	NumForm=Word|NumType=Mult	10	advmod	_	_
10	sold	sell	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	7	acl	_	_
11	as	as	ADP	IN	_	14	case	_	_
12	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
13	unicorn	unicorn	NOUN	NN	Number=Sing	14	compound	_	_
14	horn	horn	NOUN	NN	Number=Sing	10	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | the tusk | a narwhal's tooth |  |  |  |  | tree rules |
| 2 | **sell** | participle |  | a narwhal's tooth *not said here* |  |  |  | as a unicorn horn; once *property* | vn give-13.1-1 «NP V PP.recipient»: agent=Agent |

### Option 3 {#o3}

<!-- .ven lang=en -->
Yes, narwhals are sea unicorns with horns of bone on their foreheads

```conllu
# sent_id = question:biology:45-sloth-narwhal-chameleon-eel-giraffe:t3:o3:1
# text = Yes, narwhals are sea unicorns with horns of bone on their foreheads
1	Yes	yes	INTJ	UH	Polarity=Pos	6	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	narwhals	narwhal	NOUN	NNS	Number=Plur	6	nsubj	_	_
4	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
5	sea	sea	NOUN	NN	Number=Sing	6	compound	_	_
6	unicorns	unicorn	NOUN	NNS	Number=Plur	0	root	_	_
7	with	with	ADP	IN	_	8	case	_	_
8	horns	horn	NOUN	NNS	Number=Plur	6	nmod	_	_
9	of	of	ADP	IN	_	10	case	_	_
10	bone	bone	NOUN	NN	Number=Sing	8	nmod	_	_
11	on	on	ADP	IN	_	13	case	_	_
12	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
13	foreheads	forehead	NOUN	NNS	Number=Plur	10	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | narwhals | sea unicorns |  |  |  | with horns of bone on narwhals's foreheads | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
Yes, unicorns lived in the Arctic

```conllu
# sent_id = question:biology:45-sloth-narwhal-chameleon-eel-giraffe:t3:o4:1
# text = Yes, unicorns lived in the Arctic
1	Yes	yes	INTJ	UH	Polarity=Pos	4	discourse	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	unicorns	unicorn	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	lived	live	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
5	in	in	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	Arctic	Arctic	PROPN	NNP	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **live** | past | unicorns |  |  | the Arctic |  |  | vn lodge-46 «NP V PP.location»: agent=Theme in arctic=Location |

<!-- div src -->

**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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- ↑ back to [More record-breakers and oddballs: sloth, narwhal, chameleon, electric eel, giraffe](https://md.mova.elamur.ai/free/en/corpora/questions/biology/45-sloth-narwhal-chameleon-eel-giraffe/)