---
title: An adult's head weighs about 5 kilograms. — Posture, screens and resting your eyes · tree and pragmatics
description: An adult's head weighs about 5 kilograms. Who acts: head. A sentence of the lesson «Posture, screens and resting your eyes» of the everyday course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Posture, screens and resting your eyes, sentence 7

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An adult's head weighs about 5 kilograms.

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**Who acts:** head · **What happens:** weigh · **To what, where:** 5 kilograms

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This is a sentence of the lesson «Posture, screens and resting your eyes» of the everyday 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 (head), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:everyday:008-posture-and-screens.lesson:7
# text = An adult's head weighs about 5 kilograms.
# source = school lesson (ours)
# course = everyday
# lesson = 008-posture-and-screens.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	An	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	Agree=R5-strong|Haiku=4:det
2	adult	adult	NOUN	NN	Number=Sing	4	nmod:poss	_	_
3	's	's	PART	POS	_	2	case	_	_
4	head	head	NOUN	NN	Number=Sing	5	nsubj	_	_
5	weighs	weigh	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	about	about	ADV	RB	_	7	advmod	_	_
7	5	5	NUM	CD	NumForm=Digit|NumType=Card	8	nummod	_	_
8	kilograms	kilogram	NOUN	NNS	Number=Plur	5	obj	_	_
9	.	.	PUNCT	.	_	5	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 | **weigh** | present | a adult's head | 5 kilograms |  |  |  |  | vn register-54.1-2-1 «NP V NP.value»: agent=Theme kilogram=Value |

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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:everyday:008-posture-and-screens.lesson:7`.

**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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