---
title: Trick birthday candles have a metal powder, magnesium, in the wick t… — The candle and what burning is · tree and pragmatics
description: Trick birthday candles have a metal powder, magnesium, in the wick that catches fire again from the glowing wick. Who acts: Trick birthday candles, wick. A sentence of the lesson «The candle and what burning is» of the chemistry course of Mova's primary school with its dependency tree and the pragma
---

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# The candle and what burning is, sentence 13

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Trick birthday candles have a metal powder, magnesium, in the wick that catches fire again from the glowing wick.

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**Who acts:** Trick birthday candles, wick · **What happens:** have, catch, glow · **To what, where:** metal powder, wick, fire, glowing wick

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This is a sentence of the lesson «The candle and what burning is» 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 (Trick birthday candles, wick), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:011-the-candle-and-burning.lesson:13
# text = Trick birthday candles have a metal powder, magnesium, in the wick that catches fire again from the glowing wick.
# source = school lesson (ours)
# course = chemistry
# lesson = 011-the-candle-and-burning.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): R5-strong ×1
1	Trick	trick	NOUN	NN	_	3	compound	_	_
2	birthday	birthday	NOUN	NN	Number=Sing	3	compound	_	_
3	candles	candle	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
6	metal	metal	NOUN	NN	Number=Sing	7	compound	_	_
7	powder	powder	NOUN	NN	Number=Sing	4	obj	_	_
8	,	,	PUNCT	,	_	9	punct	_	_
9	magnesium	magnesium	NOUN	NN	Number=Sing	7	appos	_	_
10	,	,	PUNCT	,	_	13	punct	_	_
11	in	in	ADP	IN	_	13	case	_	_
12	the	the	DET	DT	Definite=Def|PronType=Art	13	det	_	_
13	wick	wick	NOUN	NN	Number=Sing	4	obl	_	_
14	that	that	PRON	WDT	PronType=Rel	15	nsubj	_	_
15	catches	catch	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	acl:relcl	_	_
16	fire	fire	NOUN	NN	Number=Sing	15	obj	_	_
17	again	again	ADV	RB	_	15	advmod	_	Agree=R5-strong|Haiku=16:advmod
18	from	from	ADP	IN	_	21	case	_	_
19	the	the	DET	DT	Definite=Def|PronType=Art	21	det	_	_
20	glowing	glow	VERB	VBG	VerbForm=Ger	21	amod	_	_
21	wick	wick	NOUN	NN	Number=Sing	15	obl	_	_
22	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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No stored speech act for this sentence.

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | Trick birthday candles | a metal powder |  | the wick |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent powder=Patient |
| 2 | **catch** | present | the wick | fire |  | the glowing wick | again |  | vn get-13.5.1 «NP V NP PP.source»: agent=Agent fire=Theme from wick=Source |
| 3 | **glow** | gerund |  |  |  |  |  |  | vn light\_emission-43.1 «NP V»: agent=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:011-the-candle-and-burning.lesson:13`.

**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): R5-strong ×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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