---
title: Around puberty special sweat glands in the armpits switch on; their… — Nails, sweat and smells: smelly feet, armpits an… · tree and pragmatics
description: Around puberty special sweat glands in the armpits switch on; their sweat is not smelly until bacteria eat it, which is why a wash helps and why older children use deodorant. Who acts: special sweat glands, sweat, bacteria, wash. A sentence of the lesson «Nails, sweat and smells: smelly feet, armpit
---

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# Nails, sweat and smells: smelly feet, armpits and bad breath, sentence 10

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Around puberty special sweat glands in the armpits switch on; their sweat is not smelly until bacteria eat it, which is why a wash helps and why older children use deodorant.

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**Who acts:** special sweat glands, sweat, bacteria, wash, older children · **What happens:** switch on, not be, eat, be, help, use · **To what, where:** puberty, sweat, deodorant

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This is a sentence of the lesson «Nails, sweat and smells: smelly feet, armpits and bad breath» of the biology 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 (special sweat glands, sweat, bacteria, wash), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:356-nails-sweat-and-smells-smelly-feet-armpits-and-bad-breath.lesson:10
# text = Around puberty special sweat glands in the armpits switch on; their sweat is not smelly until bacteria eat it, which is why a wash helps and why older children use deodorant.
# source = school lesson (ours)
# course = biology
# lesson = 356-nails-sweat-and-smells-smelly-feet-armpits-and-bad-breath.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 ×2
1	Around	around	ADP	IN	_	2	case	_	_
2	puberty	puberty	NOUN	NN	Number=Sing	9	obl	_	_
3	special	special	ADJ	JJ	Degree=Pos	5	amod	_	_
4	sweat	sweat	NOUN	NN	Number=Sing	5	compound	_	_
5	glands	gland	NOUN	NNS	Number=Plur	9	nsubj	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	armpits	armpit	NOUN	NNS	Number=Plur	5	nmod	_	_
9	switch	switch	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
10	on	on	ADP	RP	_	9	compound:prt	_	_
11	;	;	PUNCT	,	_	9	punct	_	_
12	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
13	sweat	sweat	NOUN	NN	Number=Sing	16	nsubj	_	_
14	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	16	cop	_	_
15	not	not	PART	RB	Polarity=Neg	16	advmod	_	_
16	smelly	smelly	ADJ	JJ	Degree=Pos	9	parataxis	_	_
17	until	until	SCONJ	IN	_	19	mark	_	_
18	bacteria	bacterium	NOUN	NNS	Number=Plur	19	nsubj	_	Agree=R8-pos-agree|Haiku=19:nsubj|HaikuPos=NOUN:NN:Number=Sing
19	eat	eat	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	16	advcl	_	Agree=R8-pos-agree|Haiku=16:advcl|HaikuPos=VERB:VB:VerbForm=Inf
20	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	19	obj	_	_
21	,	,	PUNCT	,	_	24	punct	_	_
22	which	which	PRON	WDT	PronType=Rel	24	nsubj	_	_
23	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	24	cop	_	_
24	why	why	ADV	WRB	PronType=Int	16	parataxis	_	_
25	a	a	DET	DT	Definite=Ind|PronType=Art	26	det	_	_
26	wash	wash	NOUN	NN	Number=Sing	27	nsubj	_	_
27	helps	help	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	24	advcl:relcl	_	_
28	and	and	CCONJ	CC	_	32	cc	_	_
29	why	why	ADV	WRB	PronType=Int	32	advmod	_	_
30	older	old	ADJ	JJR	Degree=Cmp	31	amod	_	_
31	children	child	NOUN	NNS	Number=Plur	32	nsubj	_	_
32	use	use	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	27	conj	_	_
33	deodorant	deodorant	NOUN	NN	Number=Sing	32	obj	_	_
34	.	.	PUNCT	.	_	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 | **switch on** | present | special sweat glands in the armpits |  |  | puberty |  |  | vn convert-26.6.2-1-1 «NP V»: agent=Patient |
| 2 | **not** **is** | present | glands's sweat |  |  |  |  | smelly *property* | tree rules |
| 3 | **eat** | present | bacteria | sweat |  |  |  |  | vn eat-39.1-1 «NP V NP»: agent=Agent it=Patient |
| 4 | **is** | present |  |  |  |  |  | why *property* | tree rules |
| 5 | **help** | present | a wash |  |  |  |  |  | vn help-72.1-1-1 «NP V PP.theme»: agent=Agent |
| 6 | **use** | present | older children | deodorant |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent deodorant=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:biology:356-nails-sweat-and-smells-smelly-feet-armpits-and-bad-breath.lesson:10`.

**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 ×2. **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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