---
title: Scientists look for life on Mars and on moons such as Europa and Enc… — The future of life: de-extinction, climate, cora… · tree and pragmatics
description: Scientists look for life on Mars and on moons such as Europa and Enceladus, which have oceans under ice; on Earth life survives in boiling vents and frozen lakes, but no life beyond Earth has been found yet. Who acts: Scientists, Europa, Earth life. A sentence of the lesson «The future of life: de-e
---

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# The future of life: de-extinction, climate, coral and frozen zoos, sentence 15

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Scientists look for life on Mars and on moons such as Europa and Enceladus, which have oceans under ice; on Earth life survives in boiling vents and frozen lakes, but no life beyond Earth has been found yet.

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**Who acts:** Scientists, Europa, Earth life · **What happens:** look, have, survive, freeze, find · **To what, where:** Mars, oceans, ice, boiling vents, life

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This is a sentence of the lesson «The future of life: de-extinction, climate, coral and frozen zoos» of the biology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Scientists, Europa, Earth life), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos.lesson:15
# text = Scientists look for life on Mars and on moons such as Europa and Enceladus, which have oceans under ice; on Earth life survives in boiling vents and frozen lakes, but no life beyond Earth has been found yet.
# source = school lesson (ours)
# course = biology
# lesson = 297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R7-rel-agree ×1, R8-pos-agree ×1
1	Scientists	scientist	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	look	look	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	for	for	ADP	IN	_	4	case	_	_
4	life	life	NOUN	NN	Number=Sing	2	obl	_	_
5	on	on	ADP	IN	_	6	case	_	_
6	Mars	Mars	PROPN	NNP	Number=Sing	2	obl	_	_
7	and	and	CCONJ	CC	_	9	cc	_	_
8	on	on	ADP	IN	_	9	case	_	_
9	moons	moon	NOUN	NNS	Number=Plur	6	conj	_	_
10	such	such	ADJ	JJ	Degree=Pos|ExtPos=ADP	12	case	_	_
11	as	as	ADP	IN	_	10	fixed	_	_
12	Europa	Europa	PROPN	NNP	Number=Sing	9	nmod	_	_
13	and	and	CCONJ	CC	_	14	cc	_	_
14	Enceladus	Enceladus	PROPN	NNP	Number=Sing	12	conj	_	_
15	,	,	PUNCT	,	_	17	punct	_	_
16	which	which	PRON	WDT	PronType=Rel	17	nsubj	_	_
17	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	12	acl:relcl	_	_
18	oceans	ocean	NOUN	NNS	Number=Plur	17	obj	_	_
19	under	under	ADP	IN	_	20	case	_	_
20	ice	ice	NOUN	NN	Number=Sing	18	nmod	_	_
21	;	;	PUNCT	:	_	25	punct	_	_
22	on	on	ADP	IN	_	24	case	_	_
23	Earth	Earth	PROPN	NNP	Number=Sing	24	compound	_	_
24	life	life	NOUN	NN	Number=Sing	25	nsubj	_	Agree=R7-rel-agree|Haiku=25:obl
25	survives	survive	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	17	conj	_	_
26	in	in	ADP	IN	_	28	case	_	_
27	boiling	boiling	NOUN	NN	Number=Sing	28	compound	_	_
28	vents	vent	NOUN	NNS	Number=Plur	25	obl	_	_
29	and	and	CCONJ	CC	_	31	cc	_	_
30	frozen	freeze	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	31	amod	_	Agree=R8-pos-agree|Haiku=31:amod|HaikuPos=ADJ:JJ:Degree=Pos
31	lakes	lake	NOUN	NNS	Number=Plur	28	conj	_	_
32	,	,	PUNCT	,	_	40	punct	_	_
33	but	but	CCONJ	CC	_	40	cc	_	_
34	no	no	DET	DT	PronType=Neg	35	det	_	_
35	life	life	NOUN	NN	Number=Sing	40	nsubj:pass	_	_
36	beyond	beyond	ADP	IN	_	37	case	_	_
37	Earth	Earth	PROPN	NNP	Number=Sing	35	nmod	_	_
38	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	40	aux	_	_
39	been	be	AUX	VBN	Tense=Past|VerbForm=Part	40	aux:pass	_	_
40	found	find	VERB	VBN	Tense=Past|VerbForm=Part	2	conj	_	_
41	yet	yet	ADV	RB	_	40	advmod	_	_
42	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **look** | present | Scientists |  |  | Mars and moons such Europa and Enceladus |  | for life | vn rummage-35.5 «NP V PP.location PP.theme»: agent=Agent for life=Theme on mars=Location |
| 2 | **have** | present | Europa and Enceladus | oceans |  | ice |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent ocean=Patient |
| 3 | **survive** | present | Earth life |  |  | boiling vents and frozen lakes |  |  | vn exist-47.1-1 «NP V PP.location»: agent=Theme in vent=Location |
| 4 | **freeze** | participle |  |  |  |  |  |  | vn other\_cos-45.4-1 «NP.patient V»: agent=Patient |
| 5 | **find** | present · perfect · passive |  | no life beyond Earth |  |  | yet |  | vn discover-84 «NP V NP»: subject=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.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:biology:297-the-future-of-life-de-extinction-climate-coral-and-frozen-zoos.lesson:15`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R7-rel-agree ×1, R8-pos-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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