---
title: State which ordering of waste practices is recommended. — Olympiad: everyday chemistry detective… · tree and pragmatics
description: State which ordering of waste practices is recommended. Exam question 4 of lesson 37 «Olympiad: everyday chemistry detectives ★★★» of the chemistry course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Exam question 4 · Olympiad: everyday chemistry detectives ★★★

<!-- .ven lang=en -->
State which ordering of waste practices is recommended.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **What happens:** recommend · **To what, where:** State

<!-- .vabout -->
This is exam question 4 of lesson 37 «Olympiad: everyday chemistry detectives ★★★» of the chemistry course of Mova's primary school, asked in stiff, formal language. 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/chemistry/37-olympiad-everyday-chemistry-detectives/#e4).

## The question {#question}

```conllu
# sent_id = question:chemistry:37-olympiad-everyday-chemistry-detectives:e4:1
# text = State which ordering of waste practices is recommended.
1	State	state	NOUN	NN	Number=Sing	8	nsubj:pass	_	_
2	which	which	DET	WDT	PronType=Int	3	det	_	_
3	ordering	ordering	NOUN	NN	Number=Sing	1	nmod	_	_
4	of	of	ADP	IN	_	6	case	_	_
5	waste	waste	NOUN	NN	Number=Sing	6	compound	_	_
6	practices	practice	NOUN	NNS	Number=Plur	3	nmod	_	_
7	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	aux:pass	_	_
8	recommended	recommend	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	SpaceAfter=No
9	.	.	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **recommend** | present · passive |  | State  which ordering of waste practices |  |  |  |  | vn judgment-33.1-1 «NP V NP»: subject=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.

## The options {#options}

### Option 1 · ← Mova's choice {#o1}

<!-- .ven lang=en -->
Landfill, then recycle, then reduce

```conllu
# sent_id = question:chemistry:37-olympiad-everyday-chemistry-detectives:e4:o1:1
# text = Landfill, then recycle, then reduce
1	Landfill	landfill	NOUN	NN	Number=Sing	4	nsubj	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	then	then	ADV	RB	PronType=Dem	4	advmod	_	_
4	recycle	recycle	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	7	punct	_	_
6	then	then	ADV	RB	PronType=Dem	7	advmod	_	_
7	reduce	reduce	VERB	VB	VerbForm=Inf	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **recycle** | infinitive | Landfill |  |  |  | then |  | tree rules |
| 2 | **reduce** | infinitive | Landfill *not said here* |  |  |  | then |  | vn limit-76 «NP V NP»: agent=Causer |

### Option 2 · ✓ the right answer {#o2}

<!-- .ven lang=en -->
Reduce, then reuse, then recycle

```conllu
# sent_id = question:chemistry:37-olympiad-everyday-chemistry-detectives:e4:o2:1
# text = Reduce, then reuse, then recycle
1	Reduce	reduce	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	_	_
3	then	then	ADV	RB	PronType=Dem	4	advmod	_	_
4	reuse	reuse	VERB	VB	Mood=Imp|VerbForm=Fin	1	conj	_	SpaceAfter=No
5	,	,	PUNCT	,	_	7	punct	_	_
6	then	then	ADV	RB	PronType=Dem	7	advmod	_	_
7	recycle	recycle	VERB	VB	Mood=Imp|VerbForm=Fin	1	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reduce** | imperative | you *not said here* |  |  |  |  |  | vn limit-76 «NP V NP»: agent=Causer |
| 2 | **reuse** | infinitive | you *not said here* |  |  |  | then |  | vn consume-66-1 «NP V NP»: agent=Agent |
| 3 | **recycle** | infinitive | you *not said here* |  |  |  | then |  | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Recycle, then reduce, then reuse

```conllu
# sent_id = question:chemistry:37-olympiad-everyday-chemistry-detectives:e4:o3:1
# text = Recycle, then reduce, then reuse
1	Recycle	recycle	NOUN	NN	Number=Sing	4	nsubj	_	SpaceAfter=No
2	,	,	PUNCT	,	_	1	punct	_	_
3	then	then	ADV	RB	PronType=Dem	4	advmod	_	_
4	reduce	reduce	VERB	VB	VerbForm=Inf	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	7	punct	_	_
6	then	then	ADV	RB	PronType=Dem	7	advmod	_	_
7	reuse	reuse	VERB	VB	VerbForm=Inf	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reduce** | infinitive | Recycle |  |  |  | then |  | vn limit-76 «NP V NP»: agent=Causer |
| 2 | **reuse** | infinitive | Recycle *not said here* |  |  |  | then |  | vn consume-66-1 «NP V NP»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
Reuse, then recycle, then reduce

```conllu
# sent_id = question:chemistry:37-olympiad-everyday-chemistry-detectives:e4:o4:1
# text = Reuse, then recycle, then reduce
1	Reuse	reuse	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	SpaceAfter=No
2	,	,	PUNCT	,	_	4	punct	_	_
3	then	then	ADV	RB	PronType=Dem	4	advmod	_	_
4	recycle	recycle	VERB	VB	Mood=Imp|VerbForm=Fin	1	conj	_	SpaceAfter=No
5	,	,	PUNCT	,	_	7	punct	_	_
6	then	then	ADV	RB	PronType=Dem	7	advmod	_	_
7	reduce	reduce	VERB	VB	Mood=Imp|VerbForm=Fin	1	parataxis	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **reuse** | imperative | you *not said here* |  |  |  |  |  | vn consume-66-1 «NP V NP»: agent=Agent |
| 2 | **recycle** | infinitive | you *not said here* |  |  |  | then |  | tree rules |
| 3 | **reduce** | infinitive |  |  |  |  | then |  | vn limit-76 «NP V NP»: agent=Causer |

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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.

<!-- /div -->

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