---
title: Which of the following statements most accurately characterises the… — The butterfly house · tree and pragmatics
description: Which of the following statements most accurately characterises the colouring of the blue morpho? Exam question 2 of lesson 98 «The butterfly house» 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 wrong.
---

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# Exam question 2 · The butterfly house

<!-- .ven lang=en -->
Which of the following statements most accurately characterises the colouring of the blue morpho?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **What happens:** follow, characteris · **To what, where:** colouring

<!-- .vabout -->
This is exam question 2 of lesson 98 «The butterfly house» of the biology course of Mova's primary school, asked in stiff, formal language. 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/98-the-butterfly-house/#e2).

## The question {#question}

```conllu
# sent_id = question:biology:98-the-butterfly-house:e2:1
# text = Which of the following statements most accurately characterises the colouring of the blue morpho?
1	Which	which	PRON	WDT	PronType=Rel	8	nsubj	_	_
2	of	of	ADP	IN	_	5	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	following	follow	VERB	VBG	VerbForm=Ger	5	amod	_	_
5	statements	statement	NOUN	NNS	Number=Plur	8	obl	_	_
6	most	most	ADV	RBS	Degree=Sup	7	advmod	_	_
7	accurately	accurately	ADV	RB	_	8	advmod	_	_
8	characterises	characteris	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	colouring	colouring	NOUN	NN	Number=Sing	8	obj	_	_
11	of	of	ADP	IN	_	14	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
13	blue	blue	ADJ	JJ	Degree=Pos	14	amod	_	_
14	morpho	morpho	NOUN	NN	Number=Sing	10	nmod	_	SpaceAfter=No
15	?	?	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **follow** | gerund |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **characteris** | present |  | the colouring of the blue morpho |  |  |  | of the following statements; accurately *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 -->
The blue covers both surfaces of the wings

```conllu
# sent_id = question:biology:98-the-butterfly-house:e2:o1:1
# text = The blue covers both surfaces of the wings
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	blue	blue	ADJ	JJ	Degree=Pos	3	nsubj	_	_
3	covers	cover	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	both	both	DET	DT	PronType=Tot	5	det	_	_
5	surfaces	surface	NOUN	NNS	Number=Plur	3	obj	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	wings	wing	NOUN	NNS	Number=Plur	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **cover** | present | the blue | both surfaces of the wings |  |  |  |  | vn fill-9.8-1 «NP V NP»: agent=Theme surface=Destination |

### Option 2 {#o2}

<!-- .ven lang=en -->
The blue derives from a pigment obtained from the flowers upon which it feeds

```conllu
# sent_id = question:biology:98-the-butterfly-house:e2:o2:1
# text = The blue derives from a pigment obtained from the flowers upon which it feeds
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	blue	blue	NOUN	NN	Number=Sing	3	nsubj	_	_
3	derives	derive	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	pigment	pigment	NOUN	NN	Number=Sing	3	obl	_	_
7	obtained	obtain	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
8	from	from	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	flowers	flower	NOUN	NNS	Number=Plur	7	obl	_	_
11	upon	upon	ADP	IN	_	12	case	_	_
12	which	which	PRON	WDT	PronType=Rel	14	obl	_	_
13	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	14	nsubj	_	_
14	feeds	feed	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	acl:relcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **derive** | present | the blue |  |  | a pigment |  |  | vn create-26.4 «NP V NP PP.material»: agent=Agent from pigment=Material |
| 2 | **obtain** | participle |  | a pigment *not said here* |  | the flowers |  |  | vn obtain-13.5.2-1 «NP V NP PP.source»: agent=Agent from flower=Source |
| 3 | **feed** | present | blue |  |  |  |  | upon the flowers | vn gorge-39.6 «NP V PP.patient»: agent=Agent |

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

<!-- .ven lang=en -->
The blue derives from microscopic structures that reflect blue light

```conllu
# sent_id = question:biology:98-the-butterfly-house:e2:o3:1
# text = The blue derives from microscopic structures that reflect blue light
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	blue	blue	NOUN	NN	Number=Sing	3	nsubj	_	_
3	derives	derive	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	from	from	ADP	IN	_	6	case	_	_
5	microscopic	microscopic	ADJ	JJ	Degree=Pos	6	amod	_	_
6	structures	structure	NOUN	NNS	Number=Plur	3	obl	_	_
7	that	that	PRON	WDT	PronType=Rel	8	nsubj	_	_
8	reflect	reflect	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	6	acl:relcl	_	_
9	blue	blue	ADJ	JJ	Degree=Pos	10	amod	_	_
10	light	light	NOUN	NN	Number=Sing	8	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **derive** | present | the blue |  |  | microscopic structures |  |  | vn create-26.4 «NP V NP PP.material»: agent=Agent from structure=Material |
| 2 | **reflect** | present | microscopic structures | blue light |  |  |  |  | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
The blue is visible only by moonlight

```conllu
# sent_id = question:biology:98-the-butterfly-house:e2:o4:1
# text = The blue is visible only by moonlight
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	blue	blue	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	visible	visible	ADJ	JJ	Degree=Pos	0	root	_	_
5	only	only	ADV	RB	_	7	advmod	_	_
6	by	by	ADP	IN	_	7	case	_	_
7	moonlight	moonlight	NOUN	NN	Number=Sing	4	obl	_	_
```

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

<!-- 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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