---
title: Red wood ants bite and spray a stinging acid from their back end to… — Bites, stings and scratches: mosquitoes, wasps,… · tree and pragmatics
description: Red wood ants bite and spray a stinging acid from their back end to defend their nest mounds, which can hold hundreds of thousands of ants; it stings but is not dangerous. Who acts: Red wood ants, nest mounds, acid. A sentence of the lesson «Bites, stings and scratches: mosquitoes, wasps, ticks, dog
---

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# Bites, stings and scratches: mosquitoes, wasps, ticks, dog bites and cat scratches, sentence 16

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Red wood ants bite and spray a stinging acid from their back end to defend their nest mounds, which can hold hundreds of thousands of ants; it stings but is not dangerous.

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**Who acts:** Red wood ants, nest mounds, acid · **What happens:** bite, spray, defend, hold, sting, not be · **To what, where:** stinging acid, back end, nest mounds, hundreds

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This is a sentence of the lesson «Bites, stings and scratches: mosquitoes, wasps, ticks, dog bites and cat scratches» 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 (Red wood ants, nest mounds, acid), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:biology:399-bites-stings-and-scratches-mosquitoes-wasps-ticks-dog-bites-and-cat-scratches.lesson:16
# text = Red wood ants bite and spray a stinging acid from their back end to defend their nest mounds, which can hold hundreds of thousands of ants; it stings but is not dangerous.
# source = school lesson (ours)
# course = biology
# lesson = 399-bites-stings-and-scratches-mosquitoes-wasps-ticks-dog-bites-and-cat-scratches.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): R1-cc-next ×1, R2-punct-next ×1, R5-strong ×1, R7-rel-agree ×1
1	Red	red	ADJ	JJ	Degree=Pos	3	amod	_	_
2	wood	wood	NOUN	NN	Number=Sing	3	compound	_	_
3	ants	ant	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	bite	bite	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	and	and	CCONJ	CC	_	6	cc	_	_
6	spray	spray	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	Agree=R5-strong|Haiku=8:det
8	stinging	sting	ADJ	JJ	Degree=Pos	9	amod	_	_
9	acid	acid	NOUN	NN	Number=Sing	6	obj	_	_
10	from	from	ADP	IN	_	13	case	_	_
11	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	13	nmod:poss	_	_
12	back	back	NOUN	NN	Number=Sing	13	compound	_	Agree=R7-rel-agree|Haiku=13:amod|HaikuPos=ADJ:JJ:Degree=Pos
13	end	end	NOUN	NN	Number=Sing	6	obl	_	_
14	to	to	PART	TO	_	15	mark	_	_
15	defend	defend	VERB	VB	VerbForm=Inf	6	advcl	_	_
16	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	18	nmod:poss	_	_
17	nest	nest	NOUN	NN	Number=Sing	18	compound	_	_
18	mounds	mound	NOUN	NNS	Number=Plur	15	obj	_	_
19	,	,	PUNCT	,	_	22	punct	_	_
20	which	which	PRON	WDT	PronType=Rel	22	nsubj	_	_
21	can	can	AUX	MD	VerbForm=Fin	22	aux	_	_
22	hold	hold	VERB	VB	VerbForm=Inf	18	acl:relcl	_	_
23	hundreds	hundred	NOUN	NNS	Number=Plur	22	obj	_	_
24	of	of	ADP	IN	_	25	case	_	_
25	thousands	thousand	NOUN	NNS	Number=Plur	23	nmod	_	_
26	of	of	ADP	IN	_	27	case	_	_
27	ants	ant	NOUN	NNS	Number=Plur	25	nmod	_	_
28	;	;	PUNCT	:	_	30	punct	_	Agree=R2-punct-next|Haiku=4:punct
29	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	30	nsubj	_	_
30	stings	sting	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
31	but	but	CCONJ	CC	_	34	cc	_	Agree=R1-cc-next|Haiku=30:cc
32	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	34	cop	_	_
33	not	not	PART	RB	Polarity=Neg	34	advmod	_	_
34	dangerous	dangerous	ADJ	JJ	Degree=Pos	30	conj	_	_
35	.	.	PUNCT	.	_	4	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 | **bite** | present | Red wood ants |  |  |  |  |  | vn swat-18.2 «NP V PP»: agent=Agent |
| 2 | **spray** | present | Red wood ants *not said here* | a stinging acid |  |  | from ants's back end |  | vn spray-9.7-1 «NP V NP.theme»: agent=Agent acid=Theme |
| 3 | **defend** | to-infinitive | Red wood ants *not said here* | ants's nest mounds |  |  |  |  | vn defend-72.3 «NP V NP»: agent=Agent mound=Beneficiary |
| 4 | **hold** | can | ants's nest mounds | hundreds of thousands of ants |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent hundred=Theme |
| 5 | **sting** | present | acid |  |  |  |  |  | vn amuse-31.1 «NP V NP-PRO-ARB»: agent=Stimulus |
| 6 | **not** **is** | present | acid *not said here* |  |  |  |  | dangerous *property* | tree rules |

<!-- .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:399-bites-stings-and-scratches-mosquitoes-wasps-ticks-dog-bites-and-cat-scratches.lesson:16`.

**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): R1-cc-next ×1, R2-punct-next ×1, R5-strong ×1, R7-rel-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: [Bites, stings and scratches: mosquitoe…, 15](https://md.mova.elamur.ai/free/en/corpora/school/biology/399-bites-stings-and-scratches-mosquitoes-wasps-ticks-dog-bites-and-cat-scratches/15/)
- next →: [Bites, stings and scratches: mosquitoe…, 17](https://md.mova.elamur.ai/free/en/corpora/school/biology/399-bites-stings-and-scratches-mosquitoes-wasps-ticks-dog-bites-and-cat-scratches/17/)
- ↑ back to [the lesson](https://md.mova.elamur.ai/free/en/corpora/school/biology/399-bites-stings-and-scratches-mosquitoes-wasps-ticks-dog-bites-and-cat-scratches/)

