---
title: What would happen if a rattlesnake lost its heat sense? — Senses of animals: how they see, hear… · tree and pragmatics
description: What would happen if a rattlesnake lost its heat sense? Test 5 · ★★ of lesson 79 «Senses of animals: how they see, hear and smell» 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 wrong.
---

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# Test 5 · ★★ · Senses of animals: how they see, hear and smell

<!-- .ven lang=en -->
What would happen if a rattlesnake lost its heat sense?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** rattlesnake · **What happens:** happen, lose, sense · **To what, where:** heat sense

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This is test 5 · ★★ of lesson 79 «Senses of animals: how they see, hear and smell» 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/79-senses-of-animals/#t5).

## The question {#question}

```conllu
# sent_id = question:world:79-senses-of-animals:t5:1
# text = What would happen if a rattlesnake lost its heat sense?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	happen	happen	VERB	VB	VerbForm=Inf	0	root	_	_
4	if	if	SCONJ	IN	_	7	mark	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	rattlesnake	rattlesnake	NOUN	NN	Number=Sing	7	nsubj	_	_
7	lost	lose	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	advcl	_	_
8	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	10	nmod:poss	_	_
9	heat	heat	NOUN	NN	Number=Sing	10	compound	_	_
10	sense	sense	NOUN	NN	Number=Sing	7	obj	_	SpaceAfter=No
11	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | would |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **lose** *a condition, not said to happen* | participle | a rattlesnake | rattlesnake's heat sense |  |  |  |  | vn succeed-74-3-1 «NP V NP»: agent=Agent sense=Eventuality |
| 3 | **sense** |  | rattlesnake |  |  |  |  |  | nom sense «cognition transitive»: poss=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 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
It would hunt even better than before, by day and night

```conllu
# sent_id = question:world:79-senses-of-animals:t5:o1:1
# text = It would hunt even better than before, by day and night
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	hunt	hunt	VERB	VB	VerbForm=Inf	0	root	_	_
4	even	even	ADV	RB	_	5	advmod	_	_
5	better	good	ADJ	JJR	Degree=Cmp	3	advmod	_	_
6	than	than	ADP	IN	_	7	case	_	_
7	before	before	ADV	RB	_	5	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	10	punct	_	_
9	by	by	ADP	IN	_	10	case	_	_
10	day	day	NOUN	NN	Number=Sing	3	obl	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	night	night	NOUN	NN	Number=Sing	10	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **hunt** | would | It |  |  |  | day |  | vn hunt-35.1 «NP V»: agent=Agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
It could no longer smell anything around it at all

```conllu
# sent_id = question:world:79-senses-of-animals:t5:o2:1
# text = It could no longer smell anything around it at all
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
2	could	could	AUX	MD	VerbForm=Fin	5	aux	_	_
3	no	no	ADV	RB	_	4	advmod	_	_
4	longer	long	ADV	RBR	Degree=Cmp	5	advmod	_	_
5	smell	smell	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	anything	anything	PRON	NN	Number=Sing|PronType=Ind	5	obj	_	_
7	around	around	ADP	IN	_	8	case	_	_
8	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	6	nmod	_	_
9	at	at	ADP	IN	_	10	case	_	_
10	all	all	DET	DT	PronType=Tot	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **smell** | could | It | anything |  | it |  | at all; long *property* | vn stalk-35.3 «NP V NP PP.location»: agent=Agent anything=Theme at all=Location |

### Option 3 {#o3}

<!-- .ven lang=en -->
It would become completely blind in bright daylight

```conllu
# sent_id = question:world:79-senses-of-animals:t5:o3:1
# text = It would become completely blind in bright daylight
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	become	become	VERB	VB	VerbForm=Inf	0	root	_	_
4	completely	completely	ADV	RB	_	5	advmod	_	_
5	blind	blind	ADJ	JJ	Degree=Pos	3	xcomp	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	bright	bright	ADJ	JJ	Degree=Pos	8	amod	_	_
8	daylight	daylight	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **become** | would | It |  |  |  |  | blind *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
It would find it harder to catch prey at night

```conllu
# sent_id = question:world:79-senses-of-animals:t5:o4:1
# text = It would find it harder to catch prey at night
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	would	would	AUX	MD	VerbForm=Fin	3	aux	_	_
3	find	find	VERB	VB	VerbForm=Inf	0	root	_	_
4	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
5	harder	hard	ADJ	JJR	Degree=Cmp	3	xcomp	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	catch	catch	VERB	VB	VerbForm=Inf	5	xcomp	_	_
8	prey	prey	NOUN	NN	Number=Sing	7	obj	_	_
9	at	at	ADP	IN	_	10	case	_	_
10	night	night	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **find** | would | It |  |  |  |  | hard *property* | vn declare-29.4-1-1 «NP V what S\_INF»: agent=Agent |
| 2 | **catch** | to-infinitive |  | prey |  |  | night |  | vn get-13.5.1 «NP V NP»: agent=Agent prey=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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- ← previous: [Senses of animals: how they see, hear…, test 4](https://md.mova.elamur.ai/free/en/corpora/questions/world/79-senses-of-animals/t4/)
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