---
title: Nitrogen hardly reacts, so crisp packets are filled with it to keep… — The air we breathe · tree and pragmatics
description: Nitrogen hardly reacts, so crisp packets are filled with it to keep the crisps fresh. Who acts: Nitrogen. A sentence of the lesson «The air we breathe» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# The air we breathe, sentence 9

<!-- .ven lang=en -->
Nitrogen hardly reacts, so crisp packets are filled with it to keep the crisps fresh.

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**Who acts:** Nitrogen · **What happens:** react, fill, keep · **To what, where:** crisp packets, crisps

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This is a sentence of the lesson «The air we breathe» of the chemistry 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 (Nitrogen), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:033-the-air-we-breathe.lesson:9
# text = Nitrogen hardly reacts, so crisp packets are filled with it to keep the crisps fresh.
# source = school lesson (ours)
# course = chemistry
# lesson = 033-the-air-we-breathe.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): R7-rel-agree ×1, R8-pos-agree ×1
1	Nitrogen	nitrogen	NOUN	NN	Number=Sing	3	nsubj	_	Agree=R8-pos-agree|Haiku=3:nsubj|HaikuPos=PROPN:NNP:Number=Sing
2	hardly	hardly	ADV	RB	_	3	advmod	_	_
3	reacts	react	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	,	,	PUNCT	,	_	9	punct	_	_
5	so	so	ADV	RB	_	9	advmod	_	_
6	crisp	crisp	ADJ	JJ	Degree=Pos	7	amod	_	_
7	packets	packet	NOUN	NNS	Number=Plur	9	nsubj:pass	_	_
8	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	9	aux:pass	_	_
9	filled	fill	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	parataxis	_	Agree=R7-rel-agree|Haiku=3:conj
10	with	with	ADP	IN	_	11	case	_	_
11	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	9	obl	_	_
12	to	to	PART	TO	_	13	mark	_	_
13	keep	keep	VERB	VB	VerbForm=Inf	9	advcl	_	_
14	the	the	DET	DT	Definite=Def|PronType=Art	15	det	_	_
15	crisps	crisp	NOUN	NNS	Number=Plur	13	obj	_	_
16	fresh	fresh	ADJ	JJ	Degree=Pos	13	xcomp	_	_
17	.	.	PUNCT	.	_	3	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 | **react** | present | Nitrogen |  |  |  |  | hardly *property* | vn respond-113 «NP V»: agent=Agent |
| 2 | **fill** | present · passive |  | crisp packets |  |  |  | with nitrogen | vn other\_cos-45.4 «NP V NP PP.instrument»: subject=Patient with it=Instrument |
| 3 | **keep** | to-infinitive |  | the crisps |  |  |  | fresh *property* | vn keep-15.2 «NP V NP»: agent=Agent crisp=Theme |

<!-- .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:chemistry:033-the-air-we-breathe.lesson:9`.

**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): R7-rel-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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