---
title: Online post says MMR causes autism. What's the truth? — Vaccinations and why · tree and pragmatics
description: Online post says MMR causes autism. What's the truth? Test 6 · ★★★ of lesson 29 «Vaccinations and why» of the medicine 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 6 · ★★★ · Vaccinations and why

<!-- .ven lang=en -->
Online post says MMR causes autism. What's the truth?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** Online post, MMR, truth · **What happens:** say, cause, be · **To what, where:** autism · **Speech:** someone speaks here

<!-- .vabout -->
This is test 6 · ★★★ of lesson 29 «Vaccinations and why» of the medicine 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/medicine/29-vaccinations-and-why/#t6).

## The question {#question}

<!-- .note -->
*Sentence 1:* Online post says MMR causes autism.

```conllu
# sent_id = question:medicine:29-vaccinations-and-why:t6:1
# text = Online post says MMR causes autism.
1	Online	online	ADJ	JJ	Degree=Pos	2	amod	_	_
2	post	post	NOUN	NN	Number=Sing	3	nsubj	_	_
3	says	say	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	MMR	MMR	PROPN	NNP	Number=Sing	5	nsubj	_	_
5	causes	cause	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	ccomp	_	_
6	autism	autism	NOUN	NN	Number=Sing	5	obj	_	SpaceAfter=No
7	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **say** *speech: assert* | present | Online post |  |  |  |  |  | vn say-37.7-1-1 «NP V that S»: agent=Agent clause=Topic |
| 2 | **cause** | present | MMR | autism |  |  |  |  | vn engender-27.1-1 «NP V NP»: agent=Precondition autism=Patient |

<!-- .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's the truth?

```conllu
# sent_id = question:medicine:29-vaccinations-and-why:t6:2
# text = What's the truth?
1	What	what	PRON	WP	PronType=Int	0	root	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	truth	truth	NOUN	NN	Number=Sing	1	nsubj	_	SpaceAfter=No
5	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | the truth |  |  |  |  |  | tree rules |

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
The study was dishonest and withdrawn, and huge studies found no link

```conllu
# sent_id = question:medicine:29-vaccinations-and-why:t6:o1:1
# text = The study was dishonest and withdrawn, and huge studies found no link
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	study	study	NOUN	NN	Number=Sing	4	nsubj	_	_
3	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	4	cop	_	_
4	dishonest	dishonest	ADJ	JJ	Degree=Pos	0	root	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	withdrawn	withdraw	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	conj	_	SpaceAfter=No
7	,	,	PUNCT	,	_	11	punct	_	_
8	and	and	CCONJ	CC	_	11	cc	_	_
9	huge	huge	ADJ	JJ	Degree=Pos	10	amod	_	_
10	studies	study	NOUN	NNS	Number=Plur	11	nsubj	_	_
11	found	find	VERB	VBD	Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin	4	conj	_	_
12	no	no	DET	DT	PronType=Neg	13	det	_	_
13	link	link	NOUN	NN	Number=Sing	11	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | past | the study |  |  |  |  | dishonest *property* | tree rules |
| 2 | **withdraw** | participle | the study *not said here* |  |  |  |  |  | vn escape-51.1-1 «NP V»: agent=Theme |
| 3 | **find** | past | huge studies | no link |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent link=Topic |

### Option 2 {#o2}

<!-- .ven lang=en -->
It's proven true by many doctors around the world for decades now

```conllu
# sent_id = question:medicine:29-vaccinations-and-why:t6:o2:1
# text = It's proven true by many doctors around the world for decades now
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj:pass	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	proven	prove	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	true	true	ADJ	JJ	Degree=Pos	3	xcomp	_	_
5	by	by	ADP	IN	_	7	case	_	_
6	many	many	ADJ	JJ	Degree=Pos	7	amod	_	_
7	doctors	doctor	NOUN	NNS	Number=Plur	3	obl	_	_
8	around	around	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	world	world	NOUN	NN	Number=Sing	7	nmod	_	_
11	for	for	ADP	IN	_	12	case	_	_
12	decades	decade	NOUN	NNS	Number=Plur	3	obl	_	_
13	now	now	ADV	RB	PronType=Dem	3	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **prove** | present · passive | many doctors around the world | It |  |  | now; decade | true *property* | vn deduce-97.2 «NP V NP»: agent=Agent subject=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
It's true for boys only, never for girls

```conllu
# sent_id = question:medicine:29-vaccinations-and-why:t6:o3:1
# text = It's true for boys only, never for girls
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	3	nsubj	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	true	true	ADJ	JJ	Degree=Pos	0	root	_	_
4	for	for	ADP	IN	_	5	case	_	_
5	boys	boy	NOUN	NNS	Number=Plur	3	obl	_	_
6	only	only	ADV	RB	_	3	advmod	_	SpaceAfter=No
7	,	,	PUNCT	,	_	10	punct	_	_
8	never	never	ADV	RB	PronType=Neg	10	advmod	_	_
9	for	for	ADP	IN	_	10	case	_	_
10	girls	girl	NOUN	NNS	Number=Plur	3	parataxis	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | It |  |  |  |  | for boys; true *property* | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
Nobody knows anything, it has never been looked at

```conllu
# sent_id = question:medicine:29-vaccinations-and-why:t6:o4:1
# text = Nobody knows anything, it has never been looked at
1	Nobody	nobody	PRON	NN	Number=Sing|PronType=Neg	2	nsubj	_	_
2	knows	know	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	anything	anything	PRON	NN	Number=Sing|PronType=Ind	2	obj	_	SpaceAfter=No
4	,	,	PUNCT	,	_	9	punct	_	_
5	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	9	nsubj:pass	_	_
6	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	aux	_	_
7	never	never	ADV	RB	PronType=Neg	9	advmod	_	_
8	been	be	AUX	VBN	Tense=Past|VerbForm=Part	9	aux:pass	_	_
9	looked	look	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	conj	_	_
10	at	at	ADP	IN	_	9	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **know** | present | Nobody | anything |  |  |  |  | vn comprehend-87.2-1-1-1 «NP V NP PP.attribute»: agent=Experiencer anything=Stimulus |
| 2 | **not** **look** | present · perfect · passive |  | it |  |  |  |  | vn seem-109-1-1 «NP V NP»: subject=Attribute |

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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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