---
title: Why is it very lucky to find a fossil of a soft jellyfish? — Rocks, minerals and fossils · tree and pragmatics
description: Why is it very lucky to find a fossil of a soft jellyfish? Test 7 of lesson 61 «Rocks, minerals and fossils» 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 7 · Rocks, minerals and fossils

<!-- .ven lang=en -->
Why is it very lucky to find a fossil of a soft jellyfish?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 3 · wrong ✗ · **Who acts:** it · **What happens:** be, find · **To what, where:** fossil

<!-- .vabout -->
This is test 7 of lesson 61 «Rocks, minerals and fossils» 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/61-rocks-minerals-fossils/#t7).

## The question {#question}

```conllu
# sent_id = question:world:61-rocks-minerals-fossils:t7:1
# text = Why is it very lucky to find a fossil of a soft jellyfish?
1	Why	why	ADV	WRB	PronType=Int	5	advmod	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	5	nsubj	_	_
4	very	very	ADV	RB	_	5	advmod	_	_
5	lucky	lucky	ADJ	JJ	Degree=Pos	0	root	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	find	find	VERB	VB	VerbForm=Inf	5	xcomp	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	fossil	fossil	NOUN	NN	Number=Sing	7	obj	_	_
10	of	of	ADP	IN	_	13	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
12	soft	soft	ADJ	JJ	Degree=Pos	13	amod	_	_
13	jellyfish	jellyfish	NOUN	NN	Number=Sing	9	nmod	_	SpaceAfter=No
14	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | it |  |  |  |  | lucky *property* | tree rules |
| 2 | **find** | to-infinitive |  | a fossil of a soft jellyfish |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent fossil=Topic |

<!-- .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 -->
Jellyfish never die, so they leave no bodies

```conllu
# sent_id = question:world:61-rocks-minerals-fossils:t7:o1:1
# text = Jellyfish never die, so they leave no bodies
1	Jellyfish	jellyfish	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	never	never	ADV	RB	PronType=Neg	3	advmod	_	_
3	die	die	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	SpaceAfter=No
4	,	,	PUNCT	,	_	7	punct	_	_
5	so	so	ADV	RB	_	7	advmod	_	_
6	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	7	nsubj	_	_
7	leave	leave	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	conj	_	_
8	no	no	DET	DT	PronType=Neg	9	det	_	_
9	bodies	body	NOUN	NNS	Number=Plur	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **die** | present | Jellyfish |  |  |  |  |  | vn calibratable\_cos-45.6.1 «NP.attribute V»: agent=Attribute |
| 2 | **leave** | present | Jellyfish | no bodies |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent body=Theme |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
Jellyfish lived only in the deepest sea, where nothing can ever be buried in mud

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:world:61-rocks-minerals-fossils:t7:o2:1
# text = Jellyfish lived only in the deepest sea, where nothing can ever be buried in mud
1	Jellyfish	jellyfish	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	lived	live	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	only	only	ADV	RB	_	7	advmod	_	_
4	in	in	ADP	IN	_	7	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	deepest	deep	ADJ	JJS	Degree=Sup	7	amod	_	_
7	sea	sea	NOUN	NN	Number=Sing	2	obl	_	SpaceAfter=No
8	,	,	PUNCT	,	_	14	punct	_	_
9	where	where	ADV	WRB	PronType=Rel	14	advmod	_	_
10	nothing	nothing	PRON	NN	Number=Sing|PronType=Neg	14	nsubj:pass	_	_
11	can	can	AUX	MD	VerbForm=Fin	14	aux	_	_
12	ever	ever	ADV	RB	PronType=Ind	14	advmod	_	_
13	be	be	AUX	VB	VerbForm=Inf	14	aux:pass	_	_
14	buried	bury	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	advcl	_	_
15	in	in	ADP	IN	_	16	case	_	_
16	mud	mud	NOUN	NN	Number=Sing	14	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **live** | past | Jellyfish |  |  | the deepest sea |  |  | vn lodge-46 «NP V PP.location»: agent=Theme in sea=Location |
| 2 | **bury** | can · passive |  | nothing |  | mud | ever |  | vn put-9.1-1 «NP V NP PP.destination»: subject=Theme in mud=Destination |

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

<!-- .ven lang=en -->
Soft bodies usually rot away before they can be buried and turned to stone

```conllu
# sent_id = question:world:61-rocks-minerals-fossils:t7:o3:1
# text = Soft bodies usually rot away before they can be buried and turned to stone
1	Soft	soft	ADJ	JJ	Degree=Pos	2	amod	_	_
2	bodies	body	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	usually	usually	ADV	RB	_	4	advmod	_	_
4	rot	rot	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	away	away	ADV	RB	_	4	advmod	_	_
6	before	before	SCONJ	IN	_	10	mark	_	_
7	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	10	nsubj:pass	_	_
8	can	can	AUX	MD	VerbForm=Fin	10	aux	_	_
9	be	be	AUX	VB	VerbForm=Inf	10	aux:pass	_	_
10	buried	bury	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	advcl	_	_
11	and	and	CCONJ	CC	_	12	cc	_	_
12	turned	turn	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	conj	_	_
13	to	to	ADP	IN	_	14	case	_	_
14	stone	stone	NOUN	NN	Number=Sing	12	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **rot away** | present | Soft bodies |  |  |  |  | away, usually *property* | vn entity\_specific\_cos-45.5 «NP.patient V»: agent=Patient |
| 2 | **bury** | can · passive |  | bodies *= body* |  |  |  |  | vn put-9.1-1 «NP V NP»: subject=Theme |
| 3 | **turn** | participle |  |  |  | stone |  |  | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme to stone=Trajectory |

### Option 4 {#o4}

<!-- .ven lang=en -->
Jellyfish lived only for a very short time on Earth

```conllu
# sent_id = question:world:61-rocks-minerals-fossils:t7:o4:1
# text = Jellyfish lived only for a very short time on Earth
1	Jellyfish	jellyfish	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	lived	live	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	only	only	ADV	RB	_	2	advmod	_	_
4	for	for	ADP	IN	_	8	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
6	very	very	ADV	RB	_	7	advmod	_	_
7	short	short	ADJ	JJ	Degree=Pos	8	amod	_	_
8	time	time	NOUN	NN	Number=Sing	2	obl	_	_
9	on	on	ADP	IN	_	10	case	_	_
10	Earth	Earth	PROPN	NNP	Number=Sing	8	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **live** | past | Jellyfish |  |  |  | time |  | vn exist-47.1-1 «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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