---
title: why's oil put on a squeaky bike chain — Pushes, pulls, friction and wheels · tree and pragmatics
description: why's oil put on a squeaky bike chain Test 10 · ★ of lesson 85 «Pushes, pulls, friction and wheels» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Test 10 · ★ · Pushes, pulls, friction and wheels

<!-- .ven lang=en -->
why's oil put on a squeaky bike chain

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **What happens:** put · **To what, where:** oil, squeaky bike chain

<!-- .vabout -->
This is test 10 · ★ of lesson 85 «Pushes, pulls, friction and wheels» of the world course of Mova's primary school. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/world/85-pushes-pulls-friction-wheels/#t10).

## The question {#question}

```conllu
# sent_id = question:world:85-pushes-pulls-friction-wheels:t10:1
# text = why's oil put on a squeaky bike chain
1	why	why	ADV	WRB	PronType=Int	4	advmod	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	oil	oil	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
4	put	put	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	on	on	ADP	IN	_	9	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
7	squeaky	squeaky	ADJ	JJ	Degree=Pos	9	amod	_	_
8	bike	bike	NOUN	NN	Number=Sing	9	compound	_	_
9	chain	chain	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **put** | present · passive |  | oil |  | a squeaky bike chain |  |  | vn put-9.1-2 «NP V PP.destination NP»: subject=Theme on chain=Destination |

<!-- .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.

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Oil reduces friction between the moving parts

```conllu
# sent_id = question:world:85-pushes-pulls-friction-wheels:t10:o1:1
# text = Oil reduces friction between the moving parts
1	Oil	oil	NOUN	NN	Number=Sing	2	nsubj	_	_
2	reduces	reduce	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	friction	friction	NOUN	NN	Number=Sing	2	obj	_	_
4	between	between	ADP	IN	_	7	case	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
6	moving	move	VERB	VBG	VerbForm=Ger	7	amod	_	_
7	parts	part	NOUN	NNS	Number=Plur	3	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reduce** | present | Oil | friction |  |  |  | between the moving parts | vn limit-76 «NP V NP»: agent=Causer friction=Patient |
| 2 | **move** | gerund |  |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Oil makes the chain heavier so it runs steadily

```conllu
# sent_id = question:world:85-pushes-pulls-friction-wheels:t10:o2:1
# text = Oil makes the chain heavier so it runs steadily
1	Oil	oil	NOUN	NN	Number=Sing	2	nsubj	_	_
2	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	chain	chain	NOUN	NN	Number=Sing	2	obj	_	_
5	heavier	heavy	ADJ	JJR	Degree=Cmp	2	xcomp	_	_
6	so	so	ADV	RB	_	8	advmod	_	_
7	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	8	nsubj	_	_
8	runs	run	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	2	advcl	_	_
9	steadily	steadily	ADV	RB	_	8	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Oil | the chain |  |  |  | heavy *property* | vn build-26.1-1 «NP.material V NP»: agent=Material chain=Product |
| 2 | **run** | present | Oil |  |  |  |  | steadily *property* | vn run-51.3.2-2-1 «NP V»: agent=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
Oil makes the chain grip the wheel harder

```conllu
# sent_id = question:world:85-pushes-pulls-friction-wheels:t10:o3:1
# text = Oil makes the chain grip the wheel harder
1	Oil	oil	NOUN	NN	Number=Sing	2	nsubj	_	_
2	makes	make	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	chain	chain	NOUN	NN	Number=Sing	2	obj	_	_
5	grip	grip	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	xcomp	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	wheel	wheel	NOUN	NN	Number=Sing	2	obj	_	_
8	harder	hard	ADJ	JJR	Degree=Cmp	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | Oil | the chain |  |  |  | hard *property* | tree rules |
| 2 | **grip** | present | the chain *not said here* |  |  |  |  |  | vn touch-20-1 «NP V NP»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
Oil keeps the chain warm in winter

```conllu
# sent_id = question:world:85-pushes-pulls-friction-wheels:t10:o4:1
# text = Oil keeps the chain warm in winter
1	Oil	oil	NOUN	NN	Number=Sing	2	nsubj	_	_
2	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	chain	chain	NOUN	NN	Number=Sing	2	obj	_	_
5	warm	warm	ADJ	JJ	Degree=Pos	2	xcomp	_	_
6	in	in	ADP	IN	_	7	case	_	_
7	winter	winter	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | present | Oil | the chain |  |  | winter | warm *property* | vn keep-15.2 «NP V NP»: agent=Agent chain=Theme |

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**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

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- ← previous: [Pushes, pulls, friction and wheels, test 9](https://md.mova.elamur.ai/free/en/corpora/questions/world/85-pushes-pulls-friction-wheels/t9/)
- next →: [Pushes, pulls, friction and wheels, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/world/85-pushes-pulls-friction-wheels/t11/)
- ↑ back to [Pushes, pulls, friction and wheels](https://md.mova.elamur.ai/free/en/corpora/questions/world/85-pushes-pulls-friction-wheels/)