---
title: If smallpox no longer exists anywhere in the wild, why do we not vac… — The age of science · tree and pragmatics
description: If smallpox no longer exists anywhere in the wild, why do we not vaccinate children against it today? Test 4 · ★★★ of lesson 29 «The age of science» of the history 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 4 · ★★★ · The age of science

<!-- .ven lang=en -->
If smallpox no longer exists anywhere in the wild, why do we not vaccinate children against it today?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** smallpox, we · **What happens:** exist, not vaccinate · **To what, where:** wild, children

<!-- .vabout -->
This is test 4 · ★★★ of lesson 29 «The age of science» of the history 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/history/29-the-age-of-science/#t4).

## The question {#question}

```conllu
# sent_id = question:history:29-the-age-of-science:t4:1
# text = If smallpox no longer exists anywhere in the wild, why do we not vaccinate children against it today?
1	If	if	SCONJ	IN	_	5	mark	_	_
2	smallpox	smallpox	NOUN	NN	Number=Sing	5	nsubj	_	_
3	no	no	ADV	RB	_	4	advmod	_	_
4	longer	long	ADV	RBR	Degree=Cmp	5	advmod	_	_
5	exists	exist	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	15	advcl	_	_
6	anywhere	anywhere	ADV	RB	PronType=Ind	5	advmod	_	_
7	in	in	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	wild	wild	NOUN	NN	Number=Sing	5	obl	_	SpaceAfter=No
10	,	,	PUNCT	,	_	15	punct	_	_
11	why	why	ADV	WRB	PronType=Int	15	advmod	_	_
12	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=1|Tense=Pres|VerbForm=Fin	15	aux	_	_
13	we	we	PRON	PRP	Case=Nom|Number=Plur|Person=1|PronType=Prs	15	nsubj	_	_
14	not	not	PART	RB	Polarity=Neg	15	advmod	_	_
15	vaccinate	vaccinate	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
16	children	child	NOUN	NNS	Number=Plur	15	obj	_	_
17	against	against	ADP	IN	_	18	case	_	_
18	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	16	nmod	_	_
19	today	today	NOUN	NN	Number=Sing	15	obl:unmarked	_	SpaceAfter=No
20	?	?	PUNCT	.	_	15	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **exist** *a condition, not said to happen* | present | smallpox |  |  | the wild |  | anywhere, long *property* | vn exist-47.1 «NP V PP.location»: agent=Theme in wild=Location |
| 2 | **not** **vaccinate** | present · do-support | we | children |  |  | today | against smallpox | 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.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Smallpox is now completely harmless to children

```conllu
# sent_id = question:history:29-the-age-of-science:t4:o1:1
# text = Smallpox is now completely harmless to children
1	Smallpox	smallpox	NOUN	NN	Number=Sing	5	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
3	now	now	ADV	RB	PronType=Dem	5	advmod	_	_
4	completely	completely	ADV	RB	_	5	advmod	_	_
5	harmless	harmless	ADJ	JJ	Degree=Pos	0	root	_	_
6	to	to	ADP	IN	_	7	case	_	_
7	children	child	NOUN	NNS	Number=Plur	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Smallpox |  |  |  | now | to children; completely, harmless *property* | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
Children cannot have vaccines

```conllu
# sent_id = question:history:29-the-age-of-science:t4:o2:1
# text = Children cannot have vaccines
1	Children	child	NOUN	NNS	Number=Plur	4	nsubj	_	_
2	can	can	AUX	MD	VerbForm=Fin	4	aux	_	SpaceAfter=No
3	not	not	PART	RB	Polarity=Neg	4	advmod	_	_
4	have	have	VERB	VB	VerbForm=Inf	0	root	_	_
5	vaccines	vaccine	NOUN	NNS	Number=Plur	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **have** | can | Children | vaccines |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent vaccine=Patient |

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

<!-- .ven lang=en -->
There is no smallpox left to catch

```conllu
# sent_id = question:history:29-the-age-of-science:t4:o3:1
# text = There is no smallpox left to catch
1	There	there	PRON	EX	PronType=Dem	2	expl	_	_
2	is	be	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	no	no	DET	DT	PronType=Neg	4	det	_	_
4	smallpox	smallpox	NOUN	NN	Number=Sing	2	nsubj	_	_
5	left	leave	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl	_	_
6	to	to	PART	TO	_	7	mark	_	_
7	catch	catch	VERB	VB	VerbForm=Inf	5	advcl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **be** | present | no smallpox |  |  | there |  |  | vn exist-47.1 «NP V»: agent=Theme |
| 2 | **leave** | participle |  | no smallpox *not said here* |  |  |  |  | vn escape-51.1-1-1 «NP V»: agent=Theme |
| 3 | **catch** | to-infinitive |  |  |  |  |  |  | vn get-13.5.1 «NP V NP»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
The vaccine was lost a long time ago

```conllu
# sent_id = question:history:29-the-age-of-science:t4:o4:1
# text = The vaccine was lost a long time ago
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	vaccine	vaccine	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	4	aux:pass	_	_
4	lost	lose	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	long	long	ADJ	JJ	Degree=Pos	7	amod	_	_
7	time	time	NOUN	NN	Number=Sing	8	obl:unmarked	_	_
8	ago	ago	ADV	RB	_	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **lose** | past · passive |  | the vaccine |  |  |  | ago *property* | vn succeed-74-3-1 «NP V NP»: subject=Eventuality |

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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.

<!-- /div -->

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