---
title: Why do removal workers bend their knees when they pick up boxes? — Lifting and carrying heavy things · tree and pragmatics
description: Why do removal workers bend their knees when they pick up boxes? Test 7 of lesson 3 «Lifting and carrying heavy things» of the everyday 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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# Test 7 · Lifting and carrying heavy things

<!-- .ven lang=en -->
Why do removal workers bend their knees when they pick up boxes?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** removal workers, workers · **What happens:** bend, pick up · **To what, where:** knees, boxes

<!-- .vabout -->
This is test 7 of lesson 3 «Lifting and carrying heavy things» of the everyday 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/everyday/3-lifting-and-carrying/#t7).

## The question {#question}

```conllu
# sent_id = question:everyday:3-lifting-and-carrying:t7:1
# text = Why do removal workers bend their knees when they pick up boxes?
1	Why	why	ADV	WRB	PronType=Int	5	advmod	_	_
2	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	aux	_	_
3	removal	removal	NOUN	NN	Number=Sing	4	compound	_	_
4	workers	worker	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	bend	bend	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
6	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	knees	knee	NOUN	NNS	Number=Plur	5	obj	_	_
8	when	when	SCONJ	WRB	_	10	mark	_	_
9	they	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	10	nsubj	_	_
10	pick	pick	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	advcl	_	_
11	up	up	ADP	RP	_	10	compound:prt	_	_
12	boxes	box	NOUN	NNS	Number=Plur	10	obj	_	SpaceAfter=No
13	?	?	PUNCT	.	_	5	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **bend** | present · do-support | removal workers | workers's knees |  |  |  |  | vn knead-26.5 «NP V NP.material»: agent=Agent knee=Material |
| 2 | **pick up** | present | workers *= worker* | boxes |  |  |  |  | vn discover-84-1 «NP V NP»: agent=Agent box=Topic |

<!-- .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 -->
It helps them see the box better from close up

```conllu
# sent_id = question:everyday:3-lifting-and-carrying:t7:o1:1
# text = It helps them see the box better from close up
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	helps	help	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	2	obj	_	_
4	see	see	VERB	VB	VerbForm=Inf	2	xcomp	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	box	box	NOUN	NN	Number=Sing	4	obj	_	_
7	better	well	ADV	RBR	Degree=Cmp	4	advmod	_	_
8	from	from	ADP	IN	_	9	case	_	_
9	close	close	ADV	RB	Degree=Pos	7	obl	_	_
10	up	up	ADV	RB	_	9	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **help** | present | It | them *= they* |  |  |  |  | vn help-72.1-1-1 «NP V NP S\_INF»: agent=Agent they=Beneficiary clause=Theme |
| 2 | **see** | infinitive | them *= they* *not said here* | the box |  |  |  | well *property* | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer box=Stimulus |

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

<!-- .ven lang=en -->
Their strong leg muscles do the work

```conllu
# sent_id = question:everyday:3-lifting-and-carrying:t7:o2:1
# text = Their strong leg muscles do the work
1	Their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	4	nmod:poss	_	_
2	strong	strong	ADJ	JJ	Degree=Pos	4	amod	_	_
3	leg	leg	NOUN	NN	Number=Sing	4	compound	_	_
4	muscles	muscle	NOUN	NNS	Number=Plur	5	nsubj	_	_
5	do	do	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	work	work	NOUN	NN	Number=Sing	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | present | Their strong leg muscles | the work |  |  |  |  | vn act-114-1 «NP V NP»: agent=Agent work=Eventuality |

### Option 3 {#o3}

<!-- .ven lang=en -->
It is a rule only for adults

```conllu
# sent_id = question:everyday:3-lifting-and-carrying:t7:o3:1
# text = It is a rule only for adults
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	rule	rule	NOUN	NN	Number=Sing	0	root	_	_
5	only	only	ADV	RB	_	7	advmod	_	_
6	for	for	ADP	IN	_	7	case	_	_
7	adults	adult	NOUN	NNS	Number=Plur	4	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | a rule |  |  |  | for adults | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
It makes the boxes lighter

```conllu
# sent_id = question:everyday:3-lifting-and-carrying:t7:o4:1
# text = It makes the boxes lighter
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	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	boxes	box	NOUN	NNS	Number=Plur	2	obj	_	_
5	lighter	light	ADJ	JJR	Degree=Cmp	2	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **make** | present | It | the boxes |  |  |  | light *property* | vn build-26.1-1 «NP.material V NP»: agent=Material box=Product |

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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: [Lifting and carrying heavy things, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/3-lifting-and-carrying/t6/)
- next →: [Lifting and carrying heavy things, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/3-lifting-and-carrying/t8/)
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