---
title: Trampoline parks have one person per bed and marshals to stop collis… — Trampolines, playgrounds and skate parks · tree and pragmatics
description: Trampoline parks have one person per bed and marshals to stop collisions. Who acts: Trampoline parks. A sentence of the lesson «Trampolines, playgrounds and skate parks» of the medicine course of Mova's primary school with its dependency tree and the pragmatics of every clause.
---

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# Trampolines, playgrounds and skate parks, sentence 9

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Trampoline parks have one person per bed and marshals to stop collisions.

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**Who acts:** Trampoline parks · **What happens:** have, stop · **To what, where:** one person, collisions

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This is a sentence of the lesson «Trampolines, playgrounds and skate parks» 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 (Trampoline parks), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:medicine:073-trampolines-playgrounds-and-skate-parks.lesson:9
# text = Trampoline parks have one person per bed and marshals to stop collisions.
# source = school lesson (ours)
# course = medicine
# lesson = 073-trampolines-playgrounds-and-skate-parks.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	Trampoline	trampoline	NOUN	NN	Number=Sing	2	compound	_	_
2	parks	park	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	have	have	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	one	one	NUM	CD	NumForm=Word|NumType=Card	5	nummod	_	_
5	person	person	NOUN	NN	Number=Sing	3	obj	_	_
6	per	per	ADP	IN	_	7	case	_	_
7	bed	bed	NOUN	NN	Number=Sing	5	nmod	_	_
8	and	and	CCONJ	CC	_	9	cc	_	_
9	marshals	marshal	NOUN	NNS	Number=Plur	5	conj	_	_
10	to	to	PART	TO	_	11	mark	_	_
11	stop	stop	VERB	VB	VerbForm=Inf	5	acl	_	_
12	collisions	collision	NOUN	NNS	Number=Plur	11	obj	_	_
13	.	.	PUNCT	.	_	3	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 | **have** | present | Trampoline parks | one person and marshals |  |  |  | per bed | vn birth-28.2-1 «NP V NP»: agent=Agent person=Patient |
| 2 | **stop** | to-infinitive | Trampoline parks *not said here* | collisions |  |  |  |  | vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality collision=Eventuality |

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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:medicine:073-trampolines-playgrounds-and-skate-parks.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): 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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