---
title: Possibly the gases unite chemically with each other and so themselve… — Hawaiian Legends of Volcanoes (mythology) · tree and pragmatics
description: Possibly the gases unite chemically with each other and so themselves produce some of the heat. Who acts: gases. A sentence of «Hawaiian Legends of Volcanoes (mythology)» by W. D. Westervelt, Opening, with its dependency tree and the pragmatics of every clause.
---

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# Hawaiian Legends of Volcanoes (mythology), Opening, sentence 18

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Possibly the gases unite chemically with each other and so themselves produce some of the heat.

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**Who acts:** gases · **What happens:** unite, produce · **To what, where:** some

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This is a sentence of «Hawaiian Legends of Volcanoes (mythology)» by W. D. Westervelt, Opening. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (gases), what happens, when and where, as Mova's frames read it from the tree.

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**Mova's own parse.** This tree may be wrong.

## The tree {#tree}

```conllu
# sent_id = book:pg66516:1:18
# text = Possibly the gases unite chemically with each other and so themselves produce some of the heat.
1	Possibly	possibly	ADV	RB	_	4	advmod	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	gases	gas	NOUN	NNS	Number=Plur	4	nsubj	_	_
4	unite	unite	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
5	chemically	chemically	ADV	RB	_	4	advmod	_	_
6	with	with	ADP	IN	_	7	case	_	_
7	each	each	DET	DT	ExtPos=PRON|PronType=Rcp	4	obl	_	_
8	other	other	ADJ	JJ	Degree=Pos	7	fixed	_	_
9	and	and	CCONJ	CC	_	12	cc	_	_
10	so	so	ADV	RB	_	12	advmod	_	_
11	themselves	themselves	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs|Reflex=Yes	12	nsubj	_	_
12	produce	produce	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
13	some	some	DET	DT	PronType=Ind	12	obj	_	_
14	of	of	ADP	IN	_	16	case	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	heat	heat	NOUN	NN	Number=Sing	13	nmod	_	SpaceAfter=No
17	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **unite** | infinitive | the gases |  |  |  |  | with each; chemically, possibly *property* | vn amalgamate-22.2-2-1 «NP V PP»: agent=Patient with each=Co-Patient |
| 2 | **produce** | present | gases *= gas* | some of the heat |  |  |  |  | vn create-26.4 «NP V NP»: agent=Agent some=Result |

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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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**Text:** «Hawaiian Legends of Volcanoes (mythology)» by W. D. Westervelt, Project Gutenberg book 66516 (public domain in the USA). **Tree:** Mova's own parse, Elamur Cosmic License. **Frames:** Mova's frames reader (`prag`), the chapter read in order.

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