---
title: In a fall a helmet's foam crushes and spreads the force so less reac… — Bike helmets and roads · tree and pragmatics
description: In a fall a helmet's foam crushes and spreads the force so less reaches the skull and brain. Who acts: foam. A sentence of the lesson «Bike helmets and roads» of the medicine course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Bike helmets and roads, sentence 5

<!-- .ven lang=en -->
In a fall a helmet's foam crushes and spreads the force so less reaches the skull and brain.

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**Who acts:** foam · **What happens:** crush, spread, reach · **To what, where:** fall, force, skull

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This is a sentence of the lesson «Bike helmets and roads» of the medicine 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 (foam), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:medicine:072-bike-helmets-and-roads.lesson:5
# text = In a fall a helmet's foam crushes and spreads the force so less reaches the skull and brain.
# source = school lesson (ours)
# course = medicine
# lesson = 072-bike-helmets-and-roads.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): no change
1	In	in	ADP	IN	_	3	case	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	fall	fall	NOUN	NN	Number=Sing	8	obl	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	helmet	helmet	NOUN	NN	Number=Sing	7	nmod:poss	_	_
6	's	's	PART	POS	_	5	case	_	_
7	foam	foam	NOUN	NN	Number=Sing	8	nsubj	_	_
8	crushes	crush	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	and	and	CCONJ	CC	_	10	cc	_	_
10	spreads	spread	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	conj	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	force	force	NOUN	NN	Number=Sing	10	obj	_	_
13	so	so	ADV	RB	_	15	advmod	_	_
14	less	less	ADV	RBR	Degree=Cmp	15	advmod	_	_
15	reaches	reach	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	advcl	_	_
16	the	the	DET	DT	Definite=Def|PronType=Art	17	det	_	_
17	skull	skull	NOUN	NN	Number=Sing	15	obj	_	_
18	and	and	CCONJ	CC	_	19	cc	_	_
19	brain	brain	NOUN	NN	Number=Sing	17	conj	_	_
20	.	.	PUNCT	.	_	8	punct	_	_
```

## Pragmatics {#pragmatics}

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

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **crush** | present | a helmet's foam |  |  | a fall |  |  | vn carve-21.2-1 «NP V ADVP-Middle»: agent=Patient |
| 2 | **spread** | present | a helmet's foam *not said here* | the force |  |  |  |  | vn appear-48.1.1 «PP.location V NP»: agent=Location force=Theme |
| 3 | **reach** | present | a helmet's foam *not said here* | the skull and brain |  |  |  | less *property* | vn body\_motion-49.2-1-1 «NP V NP ADV»: agent=Agent skull=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:medicine:072-bike-helmets-and-roads.lesson:5`.

**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): no change. **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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