---
title: Why do antibodies work against only one kind of germ? — Germs, hygiene and vaccines · tree and pragmatics
description: Why do antibodies work against only one kind of germ? Test 4 · ★ of lesson 37 «Germs, hygiene and vaccines» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/world/37-germs-hygiene-vaccines/t4/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [World](https://md.mova.elamur.ai/free/en/corpora/questions/world/) / [Germs, hygiene and vaccines](https://md.mova.elamur.ai/free/en/corpora/questions/world/37-germs-hygiene-vaccines/) / t4

# Test 4 · ★ · Germs, hygiene and vaccines

<!-- .ven lang=en -->
Why do antibodies work against only one kind of germ?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 2 · right ✓ · **Who acts:** antibodies · **What happens:** work

<!-- .vabout -->
This is test 4 · ★ of lesson 37 «Germs, hygiene and vaccines» of the world 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/world/37-germs-hygiene-vaccines/#t4).

## The question {#question}

```conllu
# sent_id = question:world:37-germs-hygiene-vaccines:t4:1
# text = Why do antibodies work against only one kind of germ?
1	Why	why	ADV	WRB	PronType=Int	4	advmod	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	antibodies	antibody	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	work	work	VERB	VB	VerbForm=Inf	0	root	_	_
5	against	against	ADP	IN	_	8	case	_	_
6	only	only	ADV	RB	_	7	advmod	_	_
7	one	one	NUM	CD	NumForm=Word|NumType=Card	8	nummod	_	_
8	kind	kind	NOUN	NN	Number=Sing	4	obl	_	_
9	of	of	ADP	IN	_	10	case	_	_
10	germ	germ	NOUN	NN	Number=Sing	8	nmod	_	SpaceAfter=No
11	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **work** | present · do-support | antibodies |  |  |  |  | against one kind of germ | vn employment-95.3 «NP V»: agent=Agent |

<!-- .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 {#o1}

<!-- .ven lang=en -->
Antibodies are made in the stomach

```conllu
# sent_id = question:world:37-germs-hygiene-vaccines:t4:o1:1
# text = Antibodies are made in the stomach
1	Antibodies	antibody	NOUN	NNS	Number=Plur	3	nsubj:pass	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux:pass	_	_
3	made	make	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
4	in	in	ADP	IN	_	6	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	stomach	stomach	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present · passive |  | Antibodies |  | the stomach |  |  | vn build-26.1-1 «NP.asset V NP»: subject=Product |

### Option 2 · ← Mova's choice · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Each fits its own germ like a key fits one lock

```conllu
# sent_id = question:world:37-germs-hygiene-vaccines:t4:o2:1
# text = Each fits its own germ like a key fits one lock
1	Each	each	DET	DT	PronType=Tot	2	nsubj	_	_
2	fits	fit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	5	nmod:poss	_	_
4	own	own	ADJ	JJ	Degree=Pos	5	amod	_	_
5	germ	germ	NOUN	NN	Number=Sing	2	obj	_	_
6	like	like	SCONJ	IN	_	9	mark	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	key	key	NOUN	NN	Number=Sing	9	nsubj	_	_
9	fits	fit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
10	one	one	NUM	CD	NumForm=Word|NumType=Card	11	nummod	_	_
11	lock	lock	NOUN	NN	Number=Sing	9	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fit** | present | Each | its own germ |  |  |  |  | vn adjust-26.9 «NP V NP»: agent=Agent germ=Patient |
| 2 | **fit** | present | a key | one lock |  |  |  |  | vn adjust-26.9 «NP V NP»: agent=Agent lock=Patient |

### Option 3 {#o3}

<!-- .ven lang=en -->
Antibodies only work at night

```conllu
# sent_id = question:world:37-germs-hygiene-vaccines:t4:o3:1
# text = Antibodies only work at night
1	Antibodies	antibody	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	only	only	ADV	RB	_	3	advmod	_	_
3	work	work	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	at	at	ADP	IN	_	5	case	_	_
5	night	night	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **work** | present | Antibodies |  |  |  | night |  | vn employment-95.3 «NP V»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
Each one is far too small to grab any other germs

```conllu
# sent_id = question:world:37-germs-hygiene-vaccines:t4:o4:1
# text = Each one is far too small to grab any other germs
1	Each	each	DET	DT	PronType=Tot	2	det	_	_
2	one	one	NOUN	NN	Number=Sing	6	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	_
4	far	far	ADV	RB	Degree=Pos	6	advmod	_	_
5	too	too	ADV	RB	_	6	advmod	_	_
6	small	small	ADJ	JJ	Degree=Pos	0	root	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	grab	grab	VERB	VB	VerbForm=Inf	6	advcl	_	_
9	any	any	DET	DT	PronType=Ind	11	det	_	_
10	other	other	ADJ	JJ	Degree=Pos	11	amod	_	_
11	germs	germ	NOUN	NNS	Number=Plur	8	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | each one |  |  |  |  | far, small *property* | tree rules |
| 2 | **grab** | to-infinitive | each one *not said here* | any other germs |  |  |  |  | vn steal-10.5-1 «NP V NP»: agent=Agent germ=Theme |

<!-- div src -->

**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 -->

<!-- pn -->
- ← previous: [Germs, hygiene and vaccines, test 3](https://md.mova.elamur.ai/free/en/corpora/questions/world/37-germs-hygiene-vaccines/t3/)
- next →: [Germs, hygiene and vaccines, test 5](https://md.mova.elamur.ai/free/en/corpora/questions/world/37-germs-hygiene-vaccines/t5/)
- ↑ back to [Germs, hygiene and vaccines](https://md.mova.elamur.ai/free/en/corpora/questions/world/37-germs-hygiene-vaccines/)