---
title: Three gears that all mesh with one another in a ring cannot turn at… — Olympiad: forces, floating and machines ★★★ · tree and pragmatics
description: Three gears that all mesh with one another in a ring cannot turn at all, because each would have to turn both ways at once. Who acts: Three gears, each. A sentence of the lesson «Olympiad: forces, floating and machines ★★★» of the physics course of Mova's primary school with its dependency tree and 
---

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# Olympiad: forces, floating and machines ★★★, sentence 6

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Three gears that all mesh with one another in a ring cannot turn at all, because each would have to turn both ways at once.

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**Who acts:** Three gears, each · **What happens:** mesh, not turn, have, turn · **To what, where:** all, ways

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This is a sentence of the lesson «Olympiad: forces, floating and machines ★★★» 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 (Three gears, each), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:042-olympiad-forces-floating-and-machines.lesson:6
# text = Three gears that all mesh with one another in a ring cannot turn at all, because each would have to turn both ways at once.
# source = school lesson (ours)
# course = physics
# lesson = 042-olympiad-forces-floating-and-machines.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	Three	three	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	gears	gear	NOUN	NNS	Number=Plur	14	nsubj	_	_
3	that	that	PRON	WDT	PronType=Rel	5	nsubj	_	_
4	all	all	DET	DT	PronType=Tot	5	det	_	_
5	mesh	mesh	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	acl:relcl	_	_
6	with	with	ADP	IN	_	7	case	_	_
7	one	one	NUM	CD	NumForm=Word|NumType=Card	5	nmod	_	_
8	another	another	DET	DT	PronType=Ind	7	fixed	_	_
9	in	in	ADP	IN	_	11	case	_	_
10	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
11	ring	ring	NOUN	NN	Number=Sing	7	nmod	_	_
12	can	can	AUX	MD	VerbForm=Fin	14	aux	_	_
13	not	not	PART	RB	Polarity=Neg	14	advmod	_	_
14	turn	turn	VERB	VB	VerbForm=Inf	0	root	_	_
15	at	at	ADP	IN	_	16	case	_	_
16	all	all	DET	DT	PronType=Tot	14	obl	_	_
17	,	,	PUNCT	,	_	21	punct	_	_
18	because	because	SCONJ	IN	_	21	mark	_	_
19	each	each	DET	DT	PronType=Tot	21	nsubj	_	_
20	would	would	AUX	MD	VerbForm=Fin	21	aux	_	_
21	have	have	VERB	VB	VerbForm=Inf	14	advcl	_	_
22	to	to	PART	TO	_	23	mark	_	_
23	turn	turn	VERB	VB	VerbForm=Inf	21	xcomp	_	_
24	both	both	DET	DT	PronType=Tot	25	det	_	_
25	ways	way	NOUN	NNS	Number=Plur	23	obj	_	_
26	at	at	ADP	IN	_	27	case	_	_
27	once	once	ADV	RB	NumForm=Word|NumType=Mult	23	obl	_	_
28	.	.	PUNCT	.	_	14	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 | **mesh** | present | Three gears |  |  |  |  | with one in a ring | tree rules |
| 2 | **not** **turn** | can | Three gears |  |  | all |  |  | vn roll-51.3.1 «NP V PP.trajectory»: agent=Theme at all=Trajectory |
| 3 | **have** | would | each |  |  |  |  |  | tree rules |
| 4 | **turn** | to-infinitive | each *not said here* | both ways |  |  |  |  | vn roll-51.3.1 «NP V NP.theme»: agent=Agent way=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:042-olympiad-forces-floating-and-machines.lesson:6`.

**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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