---
title: An allergic reaction to a sting needs a doctor straight away. — Alkalis and soda, and how they cancel acids · tree and pragmatics
description: An allergic reaction to a sting needs a doctor straight away. Who acts: allergic reaction. A sentence of the lesson «Alkalis and soda, and how they cancel acids» of the chemistry course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Alkalis and soda, and how they cancel acids, sentence 14

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An allergic reaction to a sting needs a doctor straight away.

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**Who acts:** allergic reaction · **What happens:** need · **To what, where:** doctor

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This is a sentence of the lesson «Alkalis and soda, and how they cancel acids» 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 (allergic reaction), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:016-alkalis-and-soda.lesson:14
# text = An allergic reaction to a sting needs a doctor straight away.
# source = school lesson (ours)
# course = chemistry
# lesson = 016-alkalis-and-soda.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): no change
1	An	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	allergic	allergic	ADJ	JJ	Degree=Pos	3	amod	_	_
3	reaction	reaction	NOUN	NN	Number=Sing	7	nsubj	_	_
4	to	to	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	sting	sting	NOUN	NN	Number=Sing	3	nmod	_	_
7	needs	need	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	doctor	doctor	NOUN	NN	Number=Sing	7	obj	_	_
10	straight	straight	ADV	RB	_	11	advmod	_	_
11	away	away	ADV	RB	_	7	advmod	_	_
12	.	.	PUNCT	.	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: warn
- voice: narrator
- polarity: none
- teacher: changed act=warn

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **need** | present | a allergic reaction to a sting | a doctor |  |  |  | away *property* | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot doctor=Theme |

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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:016-alkalis-and-soda.lesson:14`.

**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): no change. **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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