---
title: Why does a glasswing hide so well? — The butterfly house · tree and pragmatics
description: Why does a glasswing hide so well? Test 8 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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# Test 8 · The butterfly house

<!-- .ven lang=en -->
Why does a glasswing hide so well?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **What happens:** do, glassw · **To what, where:** glasswing hide

<!-- .vabout -->
This is test 8 of lesson 98 «The butterfly house» 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/98-the-butterfly-house/#t8).

## The question {#question}

```conllu
# sent_id = question:biology:98-the-butterfly-house:t8:1
# text = Why does a glasswing hide so well?
1	Why	why	ADV	WRB	PronType=Int	0	root	_	_
2	does	do	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	conj	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
4	glasswing	glassw	VERB	VBG	VerbForm=Ger	5	amod	_	_
5	hide	hide	NOUN	NN	Number=Sing	2	obj	_	_
6	so	so	ADV	RB	_	7	advmod	_	_
7	well	well	ADV	RB	Degree=Pos	2	advmod	_	SpaceAfter=No
8	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | present |  | a glasswing hide |  |  |  | well *property* | vn act-114-1 «NP V NP»: agent=Agent hide=Eventuality |
| 2 | **glassw** | gerund |  |  |  |  |  |  | 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 -->
It changes colour like a chameleon

```conllu
# sent_id = question:biology:98-the-butterfly-house:t8:o1:1
# text = It changes colour like a chameleon
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	changes	change	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	colour	colour	NOUN	NN	Number=Sing	2	obj	_	_
4	like	like	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	chameleon	chameleon	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **change** | present | It | colour |  |  |  | like a chameleon | vn dress-41.1.1-1-1 «NP V NP»: agent=Agent colour=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
It hides inside flowers all day

```conllu
# sent_id = question:biology:98-the-butterfly-house:t8:o2:1
# text = It hides inside flowers all day
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	hides	hide	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	inside	inside	ADP	IN	_	4	case	_	_
4	flowers	flower	NOUN	NNS	Number=Plur	2	obl	_	_
5	all	all	DET	DT	PronType=Tot	6	det	_	_
6	day	day	NOUN	NN	Number=Sing	2	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hide** | present | It |  |  | flowers | day |  | vn concealment-16-1 «NP V PP.location»: agent=Agent inside flower=Location |

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

<!-- .ven lang=en -->
Leaves and flowers show through its wings

```conllu
# sent_id = question:biology:98-the-butterfly-house:t8:o3:1
# text = Leaves and flowers show through its wings
1	Leaves	leaf	NOUN	NNS	Number=Plur	4	nsubj	_	_
2	and	and	CCONJ	CC	_	3	cc	_	_
3	flowers	flower	NOUN	NNS	Number=Plur	1	conj	_	_
4	show	show	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	through	through	ADP	IN	_	7	case	_	_
6	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	wings	wing	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **show** | present | Leaves and flowers |  |  | its wings |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
It flies only at night

```conllu
# sent_id = question:biology:98-the-butterfly-house:t8:o4:1
# text = It flies only at night
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	flies	fly	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	only	only	ADV	RB	_	5	advmod	_	_
4	at	at	ADP	IN	_	5	case	_	_
5	night	night	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fly** | present | It |  |  |  | night |  | vn spatial\_configuration-47.6-1 «NP V»: agent=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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