---
title: A coat filled with feathers is very warm. Which feathers are used an… — Birds: feathers, nests and flight · tree and pragmatics
description: A coat filled with feathers is very warm. Which feathers are used and why? Test 3 · ★ of lesson 73 «Birds: feathers, nests and flight» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Test 3 · ★ · Birds: feathers, nests and flight

<!-- .ven lang=en -->
A coat filled with feathers is very warm. Which feathers are used and why?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** coat · **What happens:** fill, be, use · **To what, where:** coat, feathers

<!-- .vabout -->
This is test 3 · ★ of lesson 73 «Birds: feathers, nests and flight» of the world 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/world/73-birds-feathers-nests-flight/#t3).

## The question {#question}

<!-- .note -->
*Sentence 1:* A coat filled with feathers is very warm.

```conllu
# sent_id = question:world:73-birds-feathers-nests-flight:t3:1
# text = A coat filled with feathers is very warm.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	coat	coat	NOUN	NN	Number=Sing	8	nsubj	_	_
3	filled	fill	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	acl	_	_
4	with	with	ADP	IN	_	5	case	_	_
5	feathers	feather	NOUN	NNS	Number=Plur	3	obl	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
7	very	very	ADV	RB	_	8	advmod	_	_
8	warm	warm	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
9	.	.	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fill** | participle |  | a coat *not said here* |  |  |  | with feathers | vn other\_cos-45.4 «NP V NP PP.instrument»: agent=Agent with feather=Instrument |
| 2 | **is** | present | a coat |  |  |  |  | warm *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.

<!-- .note -->
*Sentence 2:* Which feathers are used and why?

```conllu
# sent_id = question:world:73-birds-feathers-nests-flight:t3:2
# text = Which feathers are used and why?
1	Which	which	DET	WDT	PronType=Int	2	det	_	_
2	feathers	feather	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	used	use	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	why	why	ADV	WRB	PronType=Int	4	conj	_	SpaceAfter=No
7	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **use** | present · passive |  | which feathers |  |  |  |  | vn eat-39.1 «NP V NP»: subject=Patient |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
Tail feathers, because they are long

```conllu
# sent_id = question:world:73-birds-feathers-nests-flight:t3:o1:1
# text = Tail feathers, because they are long
1	Tail	tail	NOUN	NN	Number=Sing	2	compound	_	_
2	feathers	feather	NOUN	NNS	Number=Plur	0	root	_	SpaceAfter=No
3	,	,	PUNCT	,	_	7	punct	_	_
4	because	because	SCONJ	IN	_	7	mark	_	_
5	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	7	nsubj	_	_
6	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
7	long	long	ADJ	JJ	Degree=Pos	2	amod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | feathers *= feather* |  |  |  |  | long *property* | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
Any feathers, because all feathers are hot

```conllu
# sent_id = question:world:73-birds-feathers-nests-flight:t3:o2:1
# text = Any feathers, because all feathers are hot
1	Any	any	DET	DT	PronType=Ind	2	det	_	_
2	feathers	feather	NOUN	NNS	Number=Plur	8	nsubj	_	SpaceAfter=No
3	,	,	PUNCT	,	_	6	punct	_	_
4	because	because	ADP	IN	ExtPos=ADP	6	case	_	_
5	all	all	DET	DT	PronType=Tot	6	det	_	_
6	feathers	feather	NOUN	NNS	Number=Plur	2	conj	_	_
7	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
8	hot	hot	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | any feathers and all feathers |  |  |  |  | hot *property* | tree rules |

### Option 3 · ← Mova's choice · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Down, because it traps a lot of air

```conllu
# sent_id = question:world:73-birds-feathers-nests-flight:t3:o3:1
# text = Down, because it traps a lot of air
1	Down	down	ADV	RB	_	5	advmod	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	because	because	SCONJ	IN	_	5	mark	_	_
4	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
5	traps	trap	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	lot	lot	NOUN	NN	Number=Sing	5	obj	_	_
8	of	of	ADP	IN	_	9	case	_	_
9	air	air	NOUN	NN	Number=Sing	7	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **trap** | present | it | a lot of air |  |  |  | down *property* | vn trick-59.2 «NP V NP»: agent=Agent lot=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
Flight feathers, because they are stiff

```conllu
# sent_id = question:world:73-birds-feathers-nests-flight:t3:o4:1
# text = Flight feathers, because they are stiff
1	Flight	flight	NOUN	NN	Number=Sing	2	compound	_	_
2	feathers	feather	NOUN	NNS	Number=Plur	0	root	_	SpaceAfter=No
3	,	,	PUNCT	,	_	7	punct	_	_
4	because	because	SCONJ	IN	_	7	mark	_	_
5	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	7	nsubj	_	_
6	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	7	cop	_	_
7	stiff	stiff	ADJ	JJ	Degree=Pos	2	acl:relcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | feathers *= feather* | Flight feathers *not said here* |  |  |  | stiff *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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- ← previous: [Birds: feathers, nests and flight, test 2](https://md.mova.elamur.ai/free/en/corpora/questions/world/73-birds-feathers-nests-flight/t2/)
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