---
title: A rolling pin presses down on only a thin line of dough at a time. — Wheels, axles, ramps and screws · tree and pragmatics
description: A rolling pin presses down on only a thin line of dough at a time. Who acts: rolling pin. A sentence of the lesson «Wheels, axles, ramps and screws» of the physics course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Wheels, axles, ramps and screws, sentence 13

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A rolling pin presses down on only a thin line of dough at a time.

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**Who acts:** rolling pin · **What happens:** roll, press down

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This is a sentence of the lesson «Wheels, axles, ramps and screws» of the physics 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 (rolling pin), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:034-wheels-axles-ramps-and-screws.lesson:13
# text = A rolling pin presses down on only a thin line of dough at a time.
# source = school lesson (ours)
# course = physics
# lesson = 034-wheels-axles-ramps-and-screws.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): R6-punct-agree ×1, R7-rel-agree ×1
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	rolling	roll	VERB	VBG	VerbForm=Ger	3	amod	_	Agree=R7-rel-agree|Haiku=3:compound|HaikuPos=NOUN:NN:Number=Sing
3	pin	pin	NOUN	NN	Number=Sing	4	nsubj	_	_
4	presses	press	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	down	down	ADV	RB	_	4	compound:prt	_	_
6	on	on	ADP	IN	_	10	case	_	_
7	only	only	ADV	RB	_	10	advmod	_	_
8	a	a	DET	DT	Definite=Ind|PronType=Art	10	det	_	_
9	thin	thin	ADJ	JJ	Degree=Pos	10	amod	_	_
10	line	line	NOUN	NN	Number=Sing	4	obl	_	_
11	of	of	ADP	IN	_	12	case	_	_
12	dough	dough	NOUN	NN	Number=Sing	10	nmod	_	_
13	at	at	ADP	IN	_	15	case	_	_
14	a	a	DET	DT	Definite=Ind|PronType=Art	15	det	_	_
15	time	time	NOUN	NN	Number=Sing	4	obl	_	_
16	.	.	PUNCT	.	_	4	punct	_	Agree=R6-punct-agree|Haiku=10: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 | **roll** | gerund |  |  |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |
| 2 | **press down** | present | a rolling pin |  |  |  | time | on a thin line of dough | vn push-12-1-1 «NP V PP-Conative»: agent=Agent on line=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:physics:034-wheels-axles-ramps-and-screws.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): R6-punct-agree ×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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