---
title: A pet snake has dull, cloudy eyes and soon leaves behind a long, thi… — Fish, frogs and reptiles · tree and pragmatics
description: A pet snake has dull, cloudy eyes and soon leaves behind a long, thin, empty skin. What happened? Test 5 · ★ of lesson 74 «Fish, frogs and reptiles» 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 5 · ★ · Fish, frogs and reptiles

<!-- .ven lang=en -->
A pet snake has dull, cloudy eyes and soon leaves behind a long, thin, empty skin. What happened?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** pet snake · **What happens:** have, leave, happen · **To what, where:** dull cloudy eyes, long thin empty skin

<!-- .vabout -->
This is test 5 · ★ of lesson 74 «Fish, frogs and reptiles» 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/74-fish-frogs-reptiles/#t5).

## The question {#question}

<!-- .note -->
*Sentence 1:* A pet snake has dull, cloudy eyes and soon leaves behind a long, thin, empty skin.

```conllu
# sent_id = question:world:74-fish-frogs-reptiles:t5:1
# text = A pet snake has dull, cloudy eyes and soon leaves behind a long, thin, empty skin.
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	pet	pet	NOUN	NN	Number=Sing	3	compound	_	_
3	snake	snake	NOUN	NN	Number=Sing	4	nsubj	_	_
4	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	dull	dull	ADJ	JJ	Degree=Pos	8	amod	_	SpaceAfter=No
6	,	,	PUNCT	,	_	5	punct	_	_
7	cloudy	cloudy	ADJ	JJ	Degree=Pos	8	amod	_	_
8	eyes	eye	NOUN	NNS	Number=Plur	4	obj	_	_
9	and	and	CCONJ	CC	_	11	cc	_	_
10	soon	soon	ADV	RB	Degree=Pos	11	advmod	_	_
11	leaves	leave	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
12	behind	behind	ADP	IN	_	19	case	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	_	_
14	long	long	ADJ	JJ	Degree=Pos	19	amod	_	SpaceAfter=No
15	,	,	PUNCT	,	_	14	punct	_	_
16	thin	thin	ADJ	JJ	Degree=Pos	19	amod	_	SpaceAfter=No
17	,	,	PUNCT	,	_	16	punct	_	_
18	empty	empty	ADJ	JJ	Degree=Pos	19	amod	_	_
19	skin	skin	NOUN	NN	Number=Sing	11	obl	_	SpaceAfter=No
20	.	.	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | a pet snake | dull cloudy eyes |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent eye=Patient |
| 2 | **leave** | present | a pet snake *not said here* |  |  | a long thin empty skin |  | soon *property* | vn keep-15.2 «NP V NP PP.location»: agent=Agent behind skin=Location |

<!-- .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:* What happened?

```conllu
# sent_id = question:world:74-fish-frogs-reptiles:t5:2
# text = What happened?
1	What	what	PRON	WP	PronType=Int	2	nsubj	_	_
2	happened	happen	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	SpaceAfter=No
3	?	?	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | past |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
It was sick and lost its scales

```conllu
# sent_id = question:world:74-fish-frogs-reptiles:t5:o1:1
# text = It was sick and lost its scales
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	_
2	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	cop	_	_
3	sick	sick	ADJ	JJ	Degree=Pos	0	root	_	_
4	and	and	CCONJ	CC	_	5	cc	_	_
5	lost	lose	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	conj	_	_
6	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	scales	scale	NOUN	NNS	Number=Plur	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | past | It |  |  |  |  | sick *property* | tree rules |
| 2 | **lose** | past |  | its scales |  |  |  |  | vn succeed-74-3-1 «NP V NP»: agent=Agent scale=Eventuality |

### Option 2 {#o2}

<!-- .ven lang=en -->
It changed into a new kind of snake

```conllu
# sent_id = question:world:74-fish-frogs-reptiles:t5:o2:1
# text = It changed into a new kind of snake
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	changed	change	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	into	into	ADP	IN	_	6	case	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
5	new	new	ADJ	JJ	Degree=Pos	6	amod	_	_
6	kind	kind	NOUN	NN	Number=Sing	2	obl	_	_
7	of	of	ADP	IN	_	8	case	_	_
8	snake	snake	NOUN	NN	Number=Sing	6	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **change** | past | It |  |  |  |  | into a new kind of snake *result* | vn turn-26.6.1-1 «NP.patient V PP.result»: agent=Patient into kind=Result |

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

<!-- .ven lang=en -->
It shed its old skin as it grew

```conllu
# sent_id = question:world:74-fish-frogs-reptiles:t5:o3:1
# text = It shed its old skin as it grew
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	shed	shed	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
4	old	old	ADJ	JJ	Degree=Pos	5	amod	_	_
5	skin	skin	NOUN	NN	Number=Sing	2	obj	_	_
6	as	as	SCONJ	IN	_	8	mark	_	_
7	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	nsubj	_	_
8	grew	grow	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	2	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **shed** | past | It | its old skin |  |  |  |  | vn substance\_emission-43.4-1 «PP.location V NP»: agent=Location skin=Source |
| 2 | **grow** | past | skin |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
Another snake lost its skin there

```conllu
# sent_id = question:world:74-fish-frogs-reptiles:t5:o4:1
# text = Another snake lost its skin there
1	Another	another	DET	DT	PronType=Ind	2	det	_	_
2	snake	snake	NOUN	NN	Number=Sing	3	nsubj	_	_
3	lost	lose	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
4	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
5	skin	skin	NOUN	NN	Number=Sing	3	obj	_	_
6	there	there	ADV	RB	PronType=Dem	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lose** | past | another snake | snake's skin |  | there |  |  | vn succeed-74-3-1 «NP V NP»: agent=Agent skin=Eventuality |

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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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