---
title: Chillies contain capsaicin, which tricks pain sensors into feeling h… — Plants deeper: poisonous and stinging plants and… · tree and pragmatics
description: Chillies contain capsaicin, which tricks pain sensors into feeling heat; mammals avoid chillies, but birds cannot feel the burn and spread the seeds. Who acts: Chillies, capsaicin, mammals, birds. A sentence of the lesson «Plants deeper: poisonous and stinging plants and staying safe» of the biology
---

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# Plants deeper: poisonous and stinging plants and staying safe, sentence 15

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Chillies contain capsaicin, which tricks pain sensors into feeling heat; mammals avoid chillies, but birds cannot feel the burn and spread the seeds.

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**Who acts:** Chillies, capsaicin, mammals, birds · **What happens:** contain, trick, avoid, not feel, spread · **To what, where:** capsaicin, pain sensors, feeling heat, chillies, burn, seeds

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This is a sentence of the lesson «Plants deeper: poisonous and stinging plants and staying safe» 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 (Chillies, capsaicin, mammals, birds), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:255-plants-deeper-poisonous-and-stinging-plants-and-staying-safe.lesson:15
# text = Chillies contain capsaicin, which tricks pain sensors into feeling heat; mammals avoid chillies, but birds cannot feel the burn and spread the seeds.
# source = school lesson (ours)
# course = biology
# lesson = 255-plants-deeper-poisonous-and-stinging-plants-and-staying-safe.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	Chillies	chilli	NOUN	NNS	Number=Plur	2	nsubj	_	_
2	contain	contain	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	capsaicin	capsaicin	NOUN	NN	Number=Sing	2	obj	_	_
4	,	,	PUNCT	,	_	6	punct	_	_
5	which	which	PRON	WDT	PronType=Rel	6	nsubj	_	_
6	tricks	trick	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	acl:relcl	_	_
7	pain	pain	NOUN	NN	Number=Sing	8	compound	_	_
8	sensors	sensor	NOUN	NNS	Number=Plur	6	obj	_	_
9	into	into	ADP	IN	_	11	case	_	_
10	feeling	feeling	NOUN	NN	Number=Sing	11	compound	_	_
11	heat	heat	NOUN	NN	Number=Sing	6	obl	_	_
12	;	;	PUNCT	,	_	14	punct	_	_
13	mammals	mammal	NOUN	NNS	Number=Plur	14	nsubj	_	_
14	avoid	avoid	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	parataxis	_	_
15	chillies	chilli	NOUN	NNS	Number=Plur	14	obj	_	_
16	,	,	PUNCT	,	_	21	punct	_	_
17	but	but	CCONJ	CC	_	21	cc	_	_
18	birds	bird	NOUN	NNS	Number=Plur	21	nsubj	_	_
19	can	can	AUX	MD	VerbForm=Fin	21	aux	_	_
20	not	not	PART	RB	Polarity=Neg	21	advmod	_	_
21	feel	feel	VERB	VB	VerbForm=Inf	14	conj	_	_
22	the	the	DET	DT	Definite=Def|PronType=Art	23	det	_	_
23	burn	burn	NOUN	NN	Number=Sing	21	obj	_	_
24	and	and	CCONJ	CC	_	25	cc	_	_
25	spread	spread	VERB	VB	VerbForm=Inf	21	conj	_	Agree=R8-pos-agree|Haiku=21:conj|HaikuPos=VERB:VBD:Mood=Ind|Number=Plur|Person=3|Tense=Past|VerbForm=Fin
26	the	the	DET	DT	Definite=Def|PronType=Art	27	det	_	_
27	seeds	seed	NOUN	NNS	Number=Plur	25	obj	_	_
28	.	.	PUNCT	.	_	2	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- sa -->
- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **contain** | present | Chillies | capsaicin |  |  |  |  | vn comprise-107.2-2 «NP V NP»: agent=Pivot capsaicin=Theme |
| 2 | **trick** | present | capsaicin | pain sensors |  |  |  | into feeling heat *result* | vn trick-59.2 «NP V NP S\_ING»: agent=Agent sensor=Patient into heat=Result |
| 3 | **avoid** | present | mammals | chillies |  |  |  |  | vn avoid-52 «NP V NP.location»: agent=Agent chilli=Location |
| 4 | **not** **feel** | can | birds | the burn |  |  |  |  | vn hunt-35.1 «NP V NP»: agent=Agent burn=Theme |
| 5 | **spread** | infinitive | birds *not said here* | the seeds |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location seed=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:biology:255-plants-deeper-poisonous-and-stinging-plants-and-staying-safe.lesson:15`.

**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: [Plants deeper: poisonous and stinging…, 14](https://md.mova.elamur.ai/free/en/corpora/school/biology/255-plants-deeper-poisonous-and-stinging-plants-and-staying-safe/14/)
- next →: [Plants deeper: poisonous and stinging…, 16](https://md.mova.elamur.ai/free/en/corpora/school/biology/255-plants-deeper-poisonous-and-stinging-plants-and-staying-safe/16/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/255-plants-deeper-poisonous-and-stinging-plants-and-staying-safe/)

