---
title: A diver sees a pile of coconut shells walk across the sand. What is… — Animal minds: the octopus, escape arti… · tree and pragmatics
description: A diver sees a pile of coconut shells walk across the sand. What is happening? Test 5 · ★★ of lesson 234 «Animal minds: the octopus, escape artist and puzzle solver» of the biology course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's cho
---

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# Test 5 · ★★ · Animal minds: the octopus, escape artist and puzzle solver

<!-- .ven lang=en -->
A diver sees a pile of coconut shells walk across the sand. What is happening?

<!-- .vintro -->
**Mova's choice:** option 2 · **The right answer:** option 4 · wrong ✗ · **Who acts:** diver, coconut shells · **What happens:** see, walk, happen · **To what, where:** pile, sand

<!-- .vabout -->
This is test 5 · ★★ of lesson 234 «Animal minds: the octopus, escape artist and puzzle solver» of the biology 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/biology/234-animal-minds-the-octopus-escape-artist-and-puzzle-solver/#t5).

## The question {#question}

<!-- .note -->
*Sentence 1:* A diver sees a pile of coconut shells walk across the sand.

```conllu
# sent_id = question:biology:234-animal-minds-the-octopus-escape-artist-and-puzzle-solver:t5:1
# text = A diver sees a pile of coconut shells walk across the sand.
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	diver	diver	NOUN	NN	Number=Sing	3	nsubj	_	_
3	sees	see	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	a	a	DET	DT	Definite=Ind|PronType=Art	5	det	_	_
5	pile	pile	NOUN	NN	Number=Sing	3	obj	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	coconut	coconut	NOUN	NN	Number=Sing	8	compound	_	_
8	shells	shell	NOUN	NNS	Number=Plur	9	nsubj	_	_
9	walk	walk	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	5	acl:relcl	_	_
10	across	across	ADP	IN	_	12	case	_	_
11	the	the	DET	DT	Definite=Def|PronType=Art	12	det	_	_
12	sand	sand	NOUN	NN	Number=Sing	9	obl	_	SpaceAfter=No
13	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **see** | present | a diver | a pile |  |  |  |  | vn comprehend-87.2-1-1 «NP V NP»: agent=Experiencer pile=Stimulus |
| 2 | **walk** | present | coconut shells | a pile *not said here* |  | the sand |  |  | vn run-51.3.2-2-1 «NP V NP PP.trajectory»: agent=Agent pile=Theme across sand=Trajectory |

<!-- .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.

<!-- .note -->
*Sentence 2:* What is happening?

```conllu
# sent_id = question:biology:234-animal-minds-the-octopus-escape-artist-and-puzzle-solver:t5:2
# text = What is happening?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux	_	_
3	happening	happen	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | present · progressive |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |

## The options {#options}

### Option 1 {#o1}

<!-- .ven lang=en -->
The tide is rolling them along the sand

```conllu
# sent_id = question:biology:234-animal-minds-the-octopus-escape-artist-and-puzzle-solver:t5:o1:1
# text = The tide is rolling them along the sand
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	tide	tide	NOUN	NN	Number=Sing	4	nsubj	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
4	rolling	roll	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
5	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	4	obj	_	_
6	along	along	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	sand	sand	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **roll** | present · progressive | the tide | them *= they* |  | the sand |  |  | vn run-51.3.2-2 «NP V NP PP.trajectory»: agent=Agent they=Theme along sand=Trajectory |

### Option 2 · ← Mova's choice {#o2}

<!-- .ven lang=en -->
Fish are pushing them along the sea floor

```conllu
# sent_id = question:biology:234-animal-minds-the-octopus-escape-artist-and-puzzle-solver:t5:o2:1
# text = Fish are pushing them along the sea floor
1	Fish	fish	NOUN	NNS	Number=Plur	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	aux	_	_
3	pushing	push	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
4	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	3	obj	_	_
5	along	along	ADP	IN	_	8	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
7	sea	sea	NOUN	NN	Number=Sing	8	compound	_	_
8	floor	floor	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **push** | present · progressive | Fish | them *= they* |  | the sea floor |  |  | vn funnel-9.3-1-1 «NP V NP PP.trajectory»: agent=Agent they=Theme along floor=Trajectory |

### Option 3 {#o3}

<!-- .ven lang=en -->
A whole crab family is moving house

```conllu
# sent_id = question:biology:234-animal-minds-the-octopus-escape-artist-and-puzzle-solver:t5:o3:1
# text = A whole crab family is moving house
1	A	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
2	whole	whole	ADJ	JJ	Degree=Pos	4	amod	_	_
3	crab	crab	NOUN	NN	Number=Sing	4	compound	_	_
4	family	family	NOUN	NN	Number=Sing	6	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux	_	_
6	moving	move	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
7	house	house	NOUN	NN	Number=Sing	6	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **move** | present · progressive | a whole crab family | house |  |  |  |  | vn roll-51.3.1 «NP V NP.theme»: agent=Agent house=Theme |

### Option 4 · ✓ the right answer {#o4}

<!-- .ven lang=en -->
A veined octopus is carrying them

```conllu
# sent_id = question:biology:234-animal-minds-the-octopus-escape-artist-and-puzzle-solver:t5:o4:1
# text = A veined octopus is carrying them
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	veined	vein	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	amod	_	_
3	octopus	octopus	NOUN	NN	Number=Sing	5	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	aux	_	_
5	carrying	carry	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
6	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	5	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **vein** | participle |  |  |  |  |  |  | vn fill-9.8-1 «NP V NP»: agent=Theme |
| 2 | **carry** | present · progressive | a veined octopus | them *= they* |  |  |  |  | vn carry-11.4 «NP V NP»: agent=Agent they=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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