---
title: Nature uses the same trick: a dandelion seed hangs under its fluffy… — Parachutes, skydivers and falling safely · tree and pragmatics
description: Nature uses the same trick: a dandelion seed hangs under its fluffy parachute, and a sycamore seed spins down like a little helicopter. Who acts: Nature, dandelion seed, sycamore seed. A sentence of the lesson «Parachutes, skydivers and falling safely» of the physics course of Mova's primary school 
---

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# Parachutes, skydivers and falling safely, sentence 2

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Nature uses the same trick: a dandelion seed hangs under its fluffy parachute, and a sycamore seed spins down like a little helicopter.

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**Who acts:** Nature, dandelion seed, sycamore seed · **What happens:** use, hang, spin down · **To what, where:** same trick, fluffy parachute, little helicopter

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This is a sentence of the lesson «Parachutes, skydivers and falling safely» 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 (Nature, dandelion seed, sycamore seed), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:003-parachutes-and-falling-safely.lesson:2
# text = Nature uses the same trick: a dandelion seed hangs under its fluffy parachute, and a sycamore seed spins down like a little helicopter.
# source = school lesson (ours)
# course = physics
# lesson = 003-parachutes-and-falling-safely.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): R6-punct-agree ×1, R7-rel-agree ×1
1	Nature	nature	NOUN	NN	Number=Sing	2	nsubj	_	_
2	uses	use	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	same	same	ADJ	JJ	Degree=Pos	5	amod	_	_
5	trick	trick	NOUN	NN	Number=Sing	2	obj	_	_
6	:	:	PUNCT	:	_	10	punct	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	dandelion	dandelion	NOUN	NN	Number=Sing	9	compound	_	_
9	seed	seed	NOUN	NN	Number=Sing	10	nsubj	_	_
10	hangs	hang	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	parataxis	_	_
11	under	under	ADP	IN	_	14	case	_	_
12	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	14	nmod:poss	_	_
13	fluffy	fluffy	ADJ	JJ	Degree=Pos	14	amod	_	_
14	parachute	parachute	NOUN	NN	Number=Sing	10	obl	_	Agree=R7-rel-agree|Haiku=10:nmod
15	,	,	PUNCT	,	_	20	punct	_	Agree=R6-punct-agree|Haiku=25:punct
16	and	and	CCONJ	CC	_	20	cc	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	19	det	_	_
18	sycamore	sycamore	NOUN	NN	Number=Sing	19	compound	_	_
19	seed	seed	NOUN	NN	Number=Sing	20	nsubj	_	_
20	spins	spin	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	10	conj	_	_
21	down	down	ADV	RB	_	20	advmod	_	_
22	like	like	ADP	IN	_	20	case	_	_
23	a	a	DET	DT	Definite=Ind|PronType=Art	25	det	_	_
24	little	little	ADJ	JJ	Degree=Pos	25	amod	_	_
25	helicopter	helicopter	NOUN	NN	Number=Sing	20	obl	_	_
26	.	.	PUNCT	.	_	2	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 | **use** | present | Nature | the same trick |  |  |  |  | vn eat-39.1 «NP V NP»: agent=Agent trick=Patient |
| 2 | **hang** | present | a dandelion seed |  |  | seed's fluffy parachute |  |  | vn assuming\_position-50 «NP V PP.location»: agent=Agent under parachute=Location |
| 3 | **spin down** | present | a sycamore seed | a little helicopter |  |  |  | down *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |

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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:003-parachutes-and-falling-safely.lesson:2`.

**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): R6-punct-agree ×1, R7-rel-agree ×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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