---
title: Weight is the pull of gravity on an object, and it changes from plac… — Thinking like an astronomer · tree and pragmatics
description: Weight is the pull of gravity on an object, and it changes from place to place. Who acts: Weight. A sentence of the lesson «Thinking like an astronomer» of the world course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Thinking like an astronomer, sentence 9

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Weight is the pull of gravity on an object, and it changes from place to place.

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**Who acts:** Weight · **What happens:** be, change · **To what, where:** pull, object, place

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This is a sentence of the lesson «Thinking like an astronomer» of the world 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 (Weight), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:world:010-reasoning-about-space.lesson:9
# text = Weight is the pull of gravity on an object, and it changes from place to place.
# source = school lesson (ours)
# course = world
# lesson = 010-reasoning-about-space.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	Weight	weight	NOUN	NN	Number=Sing	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	pull	pull	NOUN	NN	Number=Sing	0	root	_	_
5	of	of	ADP	IN	_	6	case	_	_
6	gravity	gravity	NOUN	NN	Number=Sing	4	nmod	_	_
7	on	on	ADP	IN	_	9	case	_	_
8	an	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
9	object	object	NOUN	NN	Number=Sing	4	nmod	_	Agree=R5-strong|Haiku=6:nmod
10	,	,	PUNCT	,	_	13	punct	_	_
11	and	and	CCONJ	CC	_	13	cc	_	_
12	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	13	nsubj	_	_
13	changes	change	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
14	from	from	ADP	IN	_	15	case	_	_
15	place	place	NOUN	NN	Number=Sing	13	obl	_	_
16	to	to	ADP	IN	_	17	case	_	_
17	place	place	NOUN	NN	Number=Sing	15	nmod	_	_
18	.	.	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 | **is a** | present | Weight | the pull |  | a object |  | of gravity | tree rules |
| 2 | **change** | present | weight |  |  | place to place |  |  | vn turn-26.6.1-1 «NP V PP.material PP.result»: agent=Agent from place=Initial\_State |

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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:world:010-reasoning-about-space.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): 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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