---
title: Real life: why do most crabs walk sideways? — Just So Stories, The Crab that Played… · tree and pragmatics
description: Real life: why do most crabs walk sideways? Test 7 · ★ of lesson 91 «Just So Stories, The Crab that Played with the Sea, part 2: Pau Amma loses his shell» of the books 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 7 · ★ · Just So Stories, The Crab that Played with the Sea, part 2…

<!-- .ven lang=en -->
Real life: why do most crabs walk sideways?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 3 · right ✓ · **Who acts:** most crabs · **What happens:** walk

<!-- .vabout -->
This is test 7 · ★ of lesson 91 «Just So Stories, The Crab that Played with the Sea, part 2: Pau Amma loses his shell» of the books 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/books/91-justso-crab-2-pau-amma-loses-his-shell/#t7).

## The question {#question}

```conllu
# sent_id = question:books:91-justso-crab-2-pau-amma-loses-his-shell:t7:1
# text = Real life: why do most crabs walk sideways?
1	Real	real	ADJ	JJ	Degree=Pos	2	amod	_	_
2	life	life	NOUN	NN	Number=Sing	0	root	_	SpaceAfter=No
3	:	:	PUNCT	:	_	8	punct	_	_
4	why	why	ADV	WRB	PronType=Int	8	advmod	_	_
5	do	do	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	8	aux	_	_
6	most	most	ADJ	JJS	Degree=Sup	7	amod	_	_
7	crabs	crab	NOUN	NNS	Number=Plur	8	nsubj	_	_
8	walk	walk	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	parataxis	_	_
9	sideways	sideways	ADV	RB	_	8	advmod	_	SpaceAfter=No
10	?	?	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **walk** | present · do-support | most crabs |  |  |  |  | sideways *property* | vn run-51.3.2-2-1 «NP V»: agent=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 {#o1}

<!-- .ven lang=en -->
They like sand

```conllu
# sent_id = question:books:91-justso-crab-2-pau-amma-loses-his-shell:t7:o1:1
# text = They like sand
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	like	like	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	sand	sand	NOUN	NN	Number=Sing	2	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **like** | present | They | sand |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot sand=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
Their shells slide sideways best

```conllu
# sent_id = question:books:91-justso-crab-2-pau-amma-loses-his-shell:t7:o2:1
# text = Their shells slide sideways best
1	Their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	shells	shell	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	slide	slide	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	sideways	sideways	ADV	RB	_	3	advmod	_	_
5	best	good	ADJ	JJS	Degree=Sup	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **slide** | present | Their shells | best |  |  |  | sideways *property* | vn run-51.3.2-2 «NP V»: agent=Theme |

### Option 3 · ← Mova's choice · ✓ the right answer {#o3}

<!-- .ven lang=en -->
Their legs bend best that way

```conllu
# sent_id = question:books:91-justso-crab-2-pau-amma-loses-his-shell:t7:o3:1
# text = Their legs bend best that way
1	Their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	legs	leg	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	bend	bend	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	best	well	ADV	RBS	Degree=Sup	3	advmod	_	_
5	that	that	DET	DT	Number=Sing|PronType=Dem	6	det	_	_
6	way	way	NOUN	NN	Number=Sing	3	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **bend** | present | Their legs | that way |  |  |  | well *property* | vn assuming\_position-50 «NP V»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
Their bodies are built that way

```conllu
# sent_id = question:books:91-justso-crab-2-pau-amma-loses-his-shell:t7:o4:1
# text = Their bodies are built that way
1	Their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	2	nmod:poss	_	_
2	bodies	body	NOUN	NNS	Number=Plur	4	nsubj:pass	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	built	build	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	that	that	DET	DT	Number=Sing|PronType=Dem	6	det	_	_
6	way	way	NOUN	NN	Number=Sing	4	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **build** | present · passive |  | Their bodies |  |  |  |  | vn build-26.1-1 «NP.asset V NP NP»: subject=Beneficiary way=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: [Just So Stories, The Crab that Played…, test 6](https://md.mova.elamur.ai/free/en/corpora/questions/books/91-justso-crab-2-pau-amma-loses-his-shell/t6/)
- next →: [Just So Stories, The Crab that Played…, test 8](https://md.mova.elamur.ai/free/en/corpora/questions/books/91-justso-crab-2-pau-amma-loses-his-shell/t8/)
- ↑ back to [Just So Stories, The Crab that Played with the Sea, part 2: Pau Amma loses his shell](https://md.mova.elamur.ai/free/en/corpora/questions/books/91-justso-crab-2-pau-amma-loses-his-shell/)