---
title: When two things happen together, one does not have to cause the othe… — Correlation is not cause: ice cream and sunburn · tree and pragmatics
description: When two things happen together, one does not have to cause the other; grown-ups say "correlation is not causation". Who acts: two things, one, ups, correlation. A sentence of the lesson «Correlation is not cause: ice cream and sunburn» of the world course of Mova's primary school with its dependenc
---

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# Correlation is not cause: ice cream and sunburn, sentence 10

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When two things happen together, one does not have to cause the other; grown-ups say "correlation is not causation".

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**Who acts:** two things, one, ups, correlation · **What happens:** happen, not have, cause, grow, say, not be · **To what, where:** other, causation · **Speech:** someone speaks here

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This is a sentence of the lesson «Correlation is not cause: ice cream and sunburn» of the world 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 (two things, one, ups, correlation), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:180-correlation-is-not-cause-ice-cream-and-sunburn.lesson:10
# text = When two things happen together, one does not have to cause the other; grown-ups say "correlation is not causation".
# source = school lesson (ours)
# course = world
# lesson = 180-correlation-is-not-cause-ice-cream-and-sunburn.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	When	when	ADV	WRB	PronType=Int	4	advmod	_	_
2	two	two	NUM	CD	NumForm=Word|NumType=Card	3	nummod	_	_
3	things	thing	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	happen	happen	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	10	advcl	_	Agree=R8-pos-agree|Haiku=10:advcl|HaikuPos=VERB:VB:Mood=Imp|VerbForm=Fin
5	together	together	ADV	RB	_	4	advmod	_	_
6	,	,	PUNCT	,	_	10	punct	_	_
7	one	one	NUM	CD	NumForm=Word|NumType=Card	10	nsubj	_	_
8	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	aux	_	_
9	not	not	PART	RB	Polarity=Neg	10	advmod	_	_
10	have	have	VERB	VB	VerbForm=Inf	0	root	_	_
11	to	to	PART	TO	_	12	mark	_	_
12	cause	cause	VERB	VB	VerbForm=Inf	10	xcomp	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	other	other	ADJ	JJ	Degree=Pos	12	obj	_	_
15	;	;	PUNCT	,	_	16	punct	_	_
16	grown	grow	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	10	advcl	_	_
17	-	-	PUNCT	HYPH	_	19	punct	_	_
18	ups	up	NOUN	NNS	Number=Plur	19	nsubj	_	_
19	say	say	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	16	parataxis	_	_
20	"	"	PUNCT	``	_	24	punct	_	_
21	correlation	correlation	NOUN	NN	Number=Sing	24	nsubj	_	Agree=R7-rel-agree|Haiku=24:compound
22	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	24	cop	_	_
23	not	not	PART	RB	Polarity=Neg	24	advmod	_	_
24	causation	causation	NOUN	NN	Number=Sing	19	ccomp	_	_
25	"	"	PUNCT	''	_	24	punct	_	_
26	.	.	PUNCT	.	_	10	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: changed voice=narrator

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | present | two things |  |  |  |  | together *property* | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **not** **have** | present · do-support | one |  |  |  |  |  | tree rules |
| 3 | **cause** | to-infinitive | one *not said here* | the other |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition other=Patient |
| 4 | **grow** | participle | one *not said here* |  |  |  |  |  | vn appear-48.1.1 «NP V»: agent=Theme |
| 5 | **say** *speech: assert* | present | ups |  |  |  |  |  | vn say-37.7-1-1 «NP V that S»: agent=Agent |
| 6 | **not** **is a** *in a quote* | present | correlation | causation |  |  |  |  | tree rules |

<!-- .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:world:180-correlation-is-not-cause-ice-cream-and-sunburn.lesson:10`.

**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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