---
title: Picture a key that only fits one lock: an antibiotic fits the machin… — Antibiotics, viruses and side effects · tree and pragmatics
description: Picture a key that only fits one lock: an antibiotic fits the machinery of bacteria, and a virus simply has no such lock. Who acts: you, key, antibiotic, virus. A sentence of the lesson «Antibiotics, viruses and side effects» of the medicine course of Mova's primary school with its dependency tree a
---

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# Antibiotics, viruses and side effects, sentence 2

<!-- .ven lang=en -->
Picture a key that only fits one lock: an antibiotic fits the machinery of bacteria, and a virus simply has no such lock.

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**Who acts:** you, key, antibiotic, virus · **What happens:** picture, fit, have · **To what, where:** key, one lock, machinery, such lock

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This is a sentence of the lesson «Antibiotics, viruses and side effects» of the medicine 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 (you, key, antibiotic, virus), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:medicine:019-antibiotics-viruses-and-side-effects.lesson:2
# text = Picture a key that only fits one lock: an antibiotic fits the machinery of bacteria, and a virus simply has no such lock.
# source = school lesson (ours)
# course = medicine
# lesson = 019-antibiotics-viruses-and-side-effects.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): R8-pos-agree ×1
1	Picture	picture	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	key	key	NOUN	NN	Number=Sing	1	obj	_	_
4	that	that	PRON	WDT	PronType=Rel	6	nsubj	_	_
5	only	only	ADV	RB	_	6	advmod	_	_
6	fits	fit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	acl:relcl	_	_
7	one	one	NUM	CD	NumForm=Word|NumType=Card	8	nummod	_	_
8	lock	lock	NOUN	NN	Number=Sing	6	obj	_	_
9	:	:	PUNCT	:	_	12	punct	_	_
10	an	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
11	antibiotic	antibiotic	NOUN	NN	Number=Sing	12	nsubj	_	_
12	fits	fit	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	conj	_	_
13	the	the	DET	DT	Definite=Def|PronType=Art	14	det	_	_
14	machinery	machinery	NOUN	NN	Number=Sing	12	obj	_	_
15	of	of	ADP	IN	_	16	case	_	_
16	bacteria	bacterium	NOUN	NNS	Number=Plur	14	nmod	_	Agree=R8-pos-agree|Haiku=14:nmod|HaikuPos=NOUN:NN:Number=Sing
17	,	,	PUNCT	,	_	22	punct	_	_
18	and	and	CCONJ	CC	_	22	cc	_	_
19	a	a	DET	DT	Definite=Ind|PronType=Art	20	det	_	_
20	virus	virus	NOUN	NN	Number=Sing	22	nsubj	_	_
21	simply	simply	ADV	RB	_	22	advmod	_	_
22	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	12	conj	_	_
23	no	no	DET	DT	PronType=Neg	25	det	_	_
24	such	such	ADJ	JJ	Degree=Pos	25	amod	_	_
25	lock	lock	NOUN	NN	Number=Sing	22	obj	_	_
26	.	.	PUNCT	.	_	1	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 | **picture** | imperative | you *not said here* | a key |  |  |  |  | vn characterize-29.2 «NP V NP S\_ING»: agent=Agent key=Theme |
| 2 | **fit** | present | a key | one lock |  |  |  |  | vn adjust-26.9 «NP V NP»: agent=Agent lock=Patient |
| 3 | **fit** | present | a antibiotic | the machinery of bacteria |  |  |  |  | vn adjust-26.9 «NP V NP»: agent=Agent machinery=Patient |
| 4 | **have** | present | a virus | no such lock |  |  |  | simply *property* | vn birth-28.2-1 «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:medicine:019-antibiotics-viruses-and-side-effects.lesson:2`.

**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): 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: [Antibiotics, viruses and side effects, 1](https://md.mova.elamur.ai/free/en/corpora/school/medicine/19-antibiotics-viruses-and-side-effects/1/)
- next →: [Antibiotics, viruses and side effects, 3](https://md.mova.elamur.ai/free/en/corpora/school/medicine/19-antibiotics-viruses-and-side-effects/3/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/medicine/19-antibiotics-viruses-and-side-effects/)

