---
title: Why do many birds nest in spring? — The aviary: the walk-through tropical… · tree and pragmatics
description: Why do many birds nest in spring? Test 11 of lesson 93 «The aviary: the walk-through tropical 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 right.
---

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# Test 11 · The aviary: the walk-through tropical house

<!-- .ven lang=en -->
Why do many birds nest in spring?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** many birds · **What happens:** do, nest

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This is test 11 of lesson 93 «The aviary: the walk-through tropical 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/93-the-aviary-the-walk-through-tropical-house/#t11).

## The question {#question}

```conllu
# sent_id = question:biology:93-the-aviary-the-walk-through-tropical-house:t11:1
# text = Why do many birds nest in spring?
1	Why	why	ADV	WRB	PronType=Int	2	advmod	_	_
2	do	do	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	5	advcl	_	_
3	many	many	ADJ	JJ	Degree=Pos	4	amod	_	_
4	birds	bird	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	nest	nest	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	spring	spring	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
8	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | present | many birds *not said here* |  |  |  |  |  | vn act-114-1 «NP V»: agent=Agent |
| 2 | **nest** | present | many birds |  |  |  | spring |  | vn berry-13.7 «NP V»: agent=Agent |

<!-- .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 {#o1}

<!-- .ven lang=en -->
The days are shorter then

```conllu
# sent_id = question:biology:93-the-aviary-the-walk-through-tropical-house:t11:o1:1
# text = The days are shorter then
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	days	day	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	shorter	short	ADJ	JJR	Degree=Cmp	0	root	_	_
5	then	then	ADV	RB	PronType=Dem	4	advmod	_	_
```

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

### Option 2 {#o2}

<!-- .ven lang=en -->
Birds only lay eggs at Easter

```conllu
# sent_id = question:biology:93-the-aviary-the-walk-through-tropical-house:t11:o2:1
# text = Birds only lay eggs at Easter
1	Birds	bird	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	only	only	ADV	RB	_	3	advmod	_	_
3	lay	lay	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	eggs	egg	NOUN	NNS	Number=Plur	3	obj	_	_
5	at	at	ADP	IN	_	6	case	_	_
6	Easter	Easter	PROPN	NNP	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lay** | present | Birds | eggs |  | Easter |  |  | vn put\_spatial-9.2 «NP V NP PP.destination»: agent=Agent egg=Theme at easter=Destination |

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

<!-- .ven lang=en -->
Insects to feed the chicks are most plentiful then

```conllu
# sent_id = question:biology:93-the-aviary-the-walk-through-tropical-house:t11:o3:1
# text = Insects to feed the chicks are most plentiful then
1	Insects	insect	NOUN	NNS	Number=Plur	8	nsubj	_	_
2	to	to	PART	TO	_	3	mark	_	_
3	feed	feed	VERB	VB	VerbForm=Inf	1	acl	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	chicks	chick	NOUN	NNS	Number=Plur	3	obj	_	_
6	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
7	most	most	ADV	RBS	Degree=Sup	8	advmod	_	_
8	plentiful	plentiful	ADJ	JJ	Degree=Pos	0	root	_	_
9	then	then	ADV	RB	PronType=Dem	8	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **feed** | to-infinitive | Insects *not said here* |  | the chicks |  |  |  | vn feeding-39.7 «NP V NP»: agent=Agent chick=Recipient |
| 2 | **is** | present | Insects |  |  |  | then | plentiful *property* | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
The eggs would overheat in summer

```conllu
# sent_id = question:biology:93-the-aviary-the-walk-through-tropical-house:t11:o4:1
# text = The eggs would overheat in summer
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	eggs	egg	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	would	would	AUX	MD	VerbForm=Fin	4	aux	_	_
4	overheat	overheat	VERB	VB	VerbForm=Inf	0	root	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	summer	summer	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **overheat** | would | the eggs |  |  |  | summer |  | vn cooking-45.3 «NP.patient V»: agent=Patient |

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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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