---
title: Each soap particle has a water-loving head and an oil-loving tail; t… — Soap and why washing works · tree and pragmatics
description: Each soap particle has a water-loving head and an oil-loving tail; the tails grab grease and the heads pull it into the water. Who acts: soap particle, tails, heads. A sentence of the lesson «Soap and why washing works» of the chemistry course of Mova's primary school with its dependency tree and th
---

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# Soap and why washing works, sentence 9

<!-- .ven lang=en -->
Each soap particle has a water-loving head and an oil-loving tail; the tails grab grease and the heads pull it into the water.

<!-- .vintro -->
**Who acts:** soap particle, tails, heads · **What happens:** have, grab, pull · **To what, where:** water loving head, grease, water

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This is a sentence of the lesson «Soap and why washing works» 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 (soap particle, tails, heads), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:chemistry:024-soap-and-why-washing-works.lesson:9
# text = Each soap particle has a water-loving head and an oil-loving tail; the tails grab grease and the heads pull it into the water.
# source = school lesson (ours)
# course = chemistry
# lesson = 024-soap-and-why-washing-works.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): R7-rel-agree ×1
1	Each	each	DET	DT	PronType=Tot	3	det	_	_
2	soap	soap	NOUN	NN	Number=Sing	3	compound	_	_
3	particle	particle	NOUN	NN	Number=Sing	4	nsubj	_	_
4	has	have	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
6	water	water	NOUN	NN	Number=Sing	9	compound	_	_
7	-	-	PUNCT	HYPH	_	6	punct	_	_
8	loving	loving	ADJ	JJ	Degree=Pos	9	amod	_	_
9	head	head	NOUN	NN	Number=Sing	4	obj	_	_
10	and	and	CCONJ	CC	_	15	cc	_	_
11	an	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
12	oil	oil	NOUN	NN	Number=Sing	14	compound	_	_
13	-	-	PUNCT	HYPH	_	12	punct	_	_
14	loving	loving	ADJ	JJ	Degree=Pos	15	amod	_	_
15	tail	tail	NOUN	NN	Number=Sing	9	conj	_	_
16	;	;	PUNCT	,	_	20	punct	_	_
17	the	the	DET	DT	Definite=Def|PronType=Art	18	det	_	_
18	tails	tail	NOUN	NNS	Number=Plur	19	nsubj	_	_
19	grab	grab	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	parataxis	_	Agree=R7-rel-agree|Haiku=4:conj
20	grease	grease	NOUN	NN	Number=Sing	19	obj	_	_
21	and	and	CCONJ	CC	_	24	cc	_	_
22	the	the	DET	DT	Definite=Def|PronType=Art	23	det	_	_
23	heads	head	NOUN	NNS	Number=Plur	24	nsubj	_	_
24	pull	pull	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	19	conj	_	_
25	it	it	PRON	PRP	Case=Acc|Gender=Neut|Number=Sing|Person=3|PronType=Prs	24	obj	_	_
26	into	into	ADP	IN	_	28	case	_	_
27	the	the	DET	DT	Definite=Def|PronType=Art	28	det	_	_
28	water	water	NOUN	NN	Number=Sing	24	obl	_	_
29	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

<!-- .note -->
No stored speech act for this sentence.

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **have** | present | each soap particle | a water loving head and a loving tail |  |  |  |  | vn birth-28.2-1 «NP V NP»: agent=Agent head=Patient |
| 2 | **grab** | present | the tails | grease |  |  |  |  | vn steal-10.5-1 «NP V NP»: agent=Agent grease=Theme |
| 3 | **pull** | present | the heads | grease |  | the water |  |  | vn push-12-1 «NP V NP»: agent=Agent it=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:chemistry:024-soap-and-why-washing-works.lesson:9`.

**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): 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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