---
title: In science a theory is a big explanation backed by a mountain of evi… — Evolution myths put right: monkeys, the stronges… · tree and pragmatics
description: In science a theory is a big explanation backed by a mountain of evidence, like the theory of gravity; in everyday talk «theory» means a guess, but in science it does not. Who acts: theory, big explanation. A sentence of the lesson «Evolution myths put right: monkeys, the strongest and missing links
---

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# Evolution myths put right: monkeys, the strongest and missing links, sentence 8

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In science a theory is a big explanation backed by a mountain of evidence, like the theory of gravity; in everyday talk «theory» means a guess, but in science it does not.

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**Who acts:** theory, big explanation · **What happens:** be, back, mean, not do · **To what, where:** big explanation, science, guess

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This is a sentence of the lesson «Evolution myths put right: monkeys, the strongest and missing links» 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 (theory, big explanation), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:280-evolution-myths-put-right-monkeys-the-strongest-and-missing-links.lesson:8
# text = In science a theory is a big explanation backed by a mountain of evidence, like the theory of gravity; in everyday talk «theory» means a guess, but in science it does not.
# source = school lesson (ours)
# course = biology
# lesson = 280-evolution-myths-put-right-monkeys-the-strongest-and-missing-links.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): R5-strong ×1, R6-punct-agree ×3, R7-rel-agree ×1
1	In	in	ADP	IN	_	2	case	_	_
2	science	science	NOUN	NN	Number=Sing	8	obl	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	theory	theory	NOUN	NN	Number=Sing	8	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	cop	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	big	big	ADJ	JJ	Degree=Pos	8	amod	_	_
8	explanation	explanation	NOUN	NN	Number=Sing	28	nsubj	_	_
9	backed	back	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	8	acl	_	_
10	by	by	ADP	IN	_	12	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	12	det	_	_
12	mountain	mountain	NOUN	NN	Number=Sing	9	obl:agent	_	_
13	of	of	ADP	IN	_	14	case	_	_
14	evidence	evidence	NOUN	NN	Number=Sing	12	nmod	_	_
15	,	,	PUNCT	,	_	18	punct	_	_
16	like	like	ADP	IN	_	18	case	_	_
17	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	_
18	theory	theory	NOUN	NN	Number=Sing	8	conj	_	_
19	of	of	ADP	IN	_	20	case	_	_
20	gravity	gravity	NOUN	NN	Number=Sing	18	nmod	_	_
21	;	;	PUNCT	,	_	24	punct	_	_
22	in	in	ADP	IN	_	24	case	_	_
23	everyday	everyday	ADJ	JJ	Degree=Pos	24	amod	_	Agree=R7-rel-agree|Haiku=24:compound
24	talk	talk	NOUN	NN	Number=Sing	28	obl	_	_
25	«	«	PUNCT	``	_	26	punct	_	_
26	theory	theory	NOUN	NN	Number=Sing	28	nsubj	_	Agree=R5-strong|Haiku=24:nmod
27	»	»	PUNCT	''	_	26	punct	_	Agree=R6-punct-agree|Haiku=8:punct|HaikuPos=PUNCT:,:_
28	means	mean	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
29	a	a	DET	DT	Definite=Ind|PronType=Art	30	det	_	_
30	guess	guess	NOUN	NN	Number=Sing	28	obj	_	_
31	,	,	PUNCT	,	_	36	punct	_	Agree=R6-punct-agree|Haiku=34:punct
32	but	but	CCONJ	CC	_	36	cc	_	_
33	in	in	ADP	IN	_	34	case	_	_
34	science	science	NOUN	NN	Number=Sing	36	obl	_	_
35	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	36	nsubj	_	_
36	does	do	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	28	conj	_	_
37	not	not	PART	RB	Polarity=Neg	36	advmod	_	_
38	.	.	PUNCT	.	_	8	punct	_	Agree=R6-punct-agree|Haiku=28:punct
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | a theory | a big explanation and the theory of gravity |  | science |  |  | tree rules |
| 2 | **back** | participle |  | a big explanation and the theory of gravity *not said here* |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |
| 3 | **mean** | present | a big explanation and the theory of gravity | a guess |  |  |  | in everyday talk | vn representation-110.1 «NP V NP PP.attribute»: agent=Pivot guess=Theme in talk=Attribute |
| 4 | **not** **do** | present | theory |  |  | science |  |  | vn act-114-1 «NP V»: agent=Agent |

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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:280-evolution-myths-put-right-monkeys-the-strongest-and-missing-links.lesson:8`.

**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): R5-strong ×1, R6-punct-agree ×3, R7-rel-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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- ← previous: [Evolution myths put right: monkeys, th…, 7](https://md.mova.elamur.ai/free/en/corpora/school/biology/280-evolution-myths-put-right-monkeys-the-strongest-and-missing-links/7/)
- next →: [Evolution myths put right: monkeys, th…, 9](https://md.mova.elamur.ai/free/en/corpora/school/biology/280-evolution-myths-put-right-monkeys-the-strongest-and-missing-links/9/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/280-evolution-myths-put-right-monkeys-the-strongest-and-missing-links/)

