---
title: The body fights back: white blood cells attack the germs and make an… — Germs, hygiene and vaccines · tree and pragmatics
description: The body fights back: white blood cells attack the germs and make antibodies that fit one kind of germ like a key fits a lock. Who acts: body, white blood cells, antibodies, key. A sentence of the lesson «Germs, hygiene and vaccines» of the world course of Mova's primary school with its dependency t
---

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# Germs, hygiene and vaccines, sentence 4

<!-- .ven lang=en -->
The body fights back: white blood cells attack the germs and make antibodies that fit one kind of germ like a key fits a lock.

<!-- .vintro -->
**Who acts:** body, white blood cells, antibodies, key · **What happens:** fight back, attack, make, fit · **To what, where:** germs, antibodies, one kind, lock

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This is a sentence of the lesson «Germs, hygiene and vaccines» 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 (body, white blood cells, antibodies, key), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:037-germs-hygiene-vaccines.lesson:4
# text = The body fights back: white blood cells attack the germs and make antibodies that fit one kind of germ like a key fits a lock.
# source = school lesson (ours)
# course = world
# lesson = 037-germs-hygiene-vaccines.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): R6-punct-agree ×1, R8-pos-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	body	body	NOUN	NN	Number=Sing	3	nsubj	_	_
3	fights	fight	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	9	parataxis	_	_
4	back	back	ADV	RB	_	3	advmod	_	_
5	:	:	PUNCT	:	_	9	punct	_	_
6	white	white	ADJ	JJ	Degree=Pos	8	amod	_	_
7	blood	blood	NOUN	NN	Number=Sing	8	compound	_	_
8	cells	cell	NOUN	NNS	Number=Plur	9	nsubj	_	_
9	attack	attack	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	germs	germ	NOUN	NNS	Number=Plur	9	obj	_	_
12	and	and	CCONJ	CC	_	13	cc	_	_
13	make	make	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	conj	_	Agree=R8-pos-agree|Haiku=9:conj|HaikuPos=VERB:VB:VerbForm=Inf
14	antibodies	antibody	NOUN	NNS	Number=Plur	13	obj	_	_
15	that	that	PRON	WDT	PronType=Rel	16	nsubj	_	_
16	fit	fit	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	14	acl:relcl	_	_
17	one	one	NUM	CD	NumForm=Word|NumType=Card	18	nummod	_	_
18	kind	kind	NOUN	NN	Number=Sing	16	obj	_	_
19	of	of	ADP	IN	_	20	case	_	_
20	germ	germ	NOUN	NN	Number=Sing	18	nmod	_	_
21	like	like	SCONJ	IN	_	24	mark	_	_
22	a	a	DET	DT	Definite=Ind|PronType=Art	23	det	_	_
23	key	key	NOUN	NN	Number=Sing	24	nsubj	_	_
24	fits	fit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	advcl	_	_
25	a	a	DET	DT	Definite=Ind|PronType=Art	26	det	_	_
26	lock	lock	NOUN	NN	Number=Sing	24	obj	_	_
27	.	.	PUNCT	.	_	3	punct	_	Agree=R6-punct-agree|Haiku=9:punct
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **fight back** | present | the body |  |  |  |  |  | vn battle-36.4-1 «NP V»: agent=Agent |
| 2 | **attack** | present | white blood cells | the germs |  |  |  |  | vn attack-60.1-1 «NP V NP»: agent=Agent germ=Patient |
| 3 | **make** | present | white blood cells *not said here* | antibodies |  |  |  |  | vn build-26.1-1 «NP.asset V NP»: agent=Asset antibody=Product |
| 4 | **fit** | present | antibodies | one kind of germ |  |  |  |  | vn adjust-26.9 «NP V NP»: agent=Agent kind=Patient |
| 5 | **fit** | present | a key | a lock |  |  |  |  | vn adjust-26.9 «NP V NP»: agent=Agent lock=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.

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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:037-germs-hygiene-vaccines.lesson:4`.

**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): R6-punct-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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- ← previous: [Germs, hygiene and vaccines, 3](https://md.mova.elamur.ai/free/en/corpora/school/world/37-germs-hygiene-vaccines/3/)
- next →: [Germs, hygiene and vaccines, 5](https://md.mova.elamur.ai/free/en/corpora/school/world/37-germs-hygiene-vaccines/5/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/world/37-germs-hygiene-vaccines/)

