---
title: Cameras and metal detectors check every item, and anything wrong is… — How a factory works: belts, robots, checks and p… · tree and pragmatics
description: Cameras and metal detectors check every item, and anything wrong is knocked off the line before it can reach a shop. Who acts: Cameras, item. A sentence of the lesson «How a factory works: belts, robots, checks and people» of the technology course of Mova's primary school with its dependency tree an
---

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# How a factory works: belts, robots, checks and people, sentence 3

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Cameras and metal detectors check every item, and anything wrong is knocked off the line before it can reach a shop.

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**Who acts:** Cameras, item · **What happens:** check, knock off, reach · **To what, where:** item, anything, shop

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This is a sentence of the lesson «How a factory works: belts, robots, checks and people» of the technology 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 (Cameras, item), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:technology:001-how-a-factory-works.lesson:3
# text = Cameras and metal detectors check every item, and anything wrong is knocked off the line before it can reach a shop.
# source = school lesson (ours)
# course = technology
# lesson = 001-how-a-factory-works.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): R8-pos-agree ×1
1	Cameras	camera	NOUN	NNS	Number=Plur	5	nsubj	_	_
2	and	and	CCONJ	CC	_	4	cc	_	_
3	metal	metal	NOUN	NN	Number=Sing	4	compound	_	_
4	detectors	detector	NOUN	NNS	Number=Plur	1	conj	_	_
5	check	check	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	Agree=R8-pos-agree|Haiku=0:root|HaikuPos=VERB:VB:VerbForm=Inf
6	every	every	DET	DT	PronType=Tot	7	det	_	_
7	item	item	NOUN	NN	Number=Sing	5	obj	_	_
8	,	,	PUNCT	,	_	13	punct	_	_
9	and	and	CCONJ	CC	_	13	cc	_	_
10	anything	anything	PRON	NN	Number=Sing|PronType=Ind	13	nsubj:pass	_	_
11	wrong	wrong	ADJ	JJ	Degree=Pos	10	amod	_	_
12	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	aux:pass	_	_
13	knocked	knock	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	5	conj	_	_
14	off	off	ADP	IN	_	16	case	_	_
15	the	the	DET	DT	Definite=Def|PronType=Art	16	det	_	_
16	line	line	NOUN	NN	Number=Sing	13	obl	_	_
17	before	before	SCONJ	IN	_	20	mark	_	_
18	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	20	nsubj	_	_
19	can	can	AUX	MD	VerbForm=Fin	20	aux	_	_
20	reach	reach	VERB	VB	VerbForm=Inf	13	advcl	_	_
21	a	a	DET	DT	Definite=Ind|PronType=Art	22	det	_	_
22	shop	shop	NOUN	NN	Number=Sing	20	obj	_	_
23	.	.	PUNCT	.	_	5	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 | **check** | present | Cameras and metal detectors | every item |  |  |  |  | vn assessment-34.1 «NP V NP»: agent=Agent item=Theme |
| 2 | **knock off** | present · passive |  | anything |  |  |  | off the line | tree rules |
| 3 | **reach** | can | item | a shop |  |  |  |  | vn body\_motion-49.2-1-1 «NP V NP ADV»: agent=Agent shop=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:technology:001-how-a-factory-works.lesson:3`.

**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): R8-pos-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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