---
title: Walking or riding up a hill stores energy that turns back into speed… — Fuels, the Sun and saving energy · tree and pragmatics
description: Walking or riding up a hill stores energy that turns back into speed on the way down. Who acts: Walking, energy. A sentence of the lesson «Fuels, the Sun and saving energy» of the physics course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Fuels, the Sun and saving energy, sentence 17

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Walking or riding up a hill stores energy that turns back into speed on the way down.

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**Who acts:** Walking, energy · **What happens:** walk, ride up, store, turn back · **To what, where:** hill, energy, speed

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This is a sentence of the lesson «Fuels, the Sun and saving energy» 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 (Walking, energy), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:032-fuels-the-sun-and-saving-energy.lesson:17
# text = Walking or riding up a hill stores energy that turns back into speed on the way down.
# source = school lesson (ours)
# course = physics
# lesson = 032-fuels-the-sun-and-saving-energy.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	Walking	walk	VERB	VBG	VerbForm=Ger	7	csubj	_	_
2	or	or	CCONJ	CC	_	3	cc	_	_
3	riding	ride	VERB	VBG	VerbForm=Ger	1	conj	_	_
4	up	up	ADP	IN	_	6	case	_	_
5	a	a	DET	DT	Definite=Ind|PronType=Art	6	det	_	_
6	hill	hill	NOUN	NN	Number=Sing	3	obl	_	_
7	stores	store	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
8	energy	energy	NOUN	NN	Number=Sing	7	obj	_	_
9	that	that	PRON	WDT	PronType=Rel	10	nsubj	_	_
10	turns	turn	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	acl:relcl	_	_
11	back	back	ADV	RB	_	10	advmod	_	Agree=R5-strong|Haiku=13:advmod
12	into	into	ADP	IN	_	13	case	_	_
13	speed	speed	NOUN	NN	Number=Sing	10	obl	_	_
14	on	on	ADP	IN	_	16	case	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	way	way	NOUN	NN	Number=Sing	10	obl	_	_
17	down	down	ADV	RB	_	16	advmod	_	_
18	.	.	PUNCT	.	_	7	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

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| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **walk** | gerund |  |  |  |  |  |  | vn run-51.3.2-2-1 «NP V»: agent=Theme |
| 2 | **ride up** | gerund |  | a hill |  |  |  |  | vn nonvehicle-51.4.2 «NP V NP»: agent=Agent hill=Theme |
| 3 | **store** | present | Walking | energy |  |  |  |  | vn keep-15.2 «NP V NP»: agent=Agent energy=Theme |
| 4 | **turn back** | present | energy |  |  | speed |  | on the way | vn banish-10.2 «NP V NP»: agent=Agent |

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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:032-fuels-the-sun-and-saving-energy.lesson:17`.

**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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