---
title: Identify the principal reason for which a succession of still drawin… — Animation: flipbooks, stop-motion, com… · tree and pragmatics
description: Identify the principal reason for which a succession of still drawings is perceived as continuous motion. Exam question 1 of lesson 23 «Animation: flipbooks, stop-motion, computer cartoons» of the arts course of Mova's primary school, with the dependency tree and pragmatics of the question and of ea
---

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# Exam question 1 · Animation: flipbooks, stop-motion, computer cartoons

<!-- .ven lang=en -->
Identify the principal reason for which a succession of still drawings is perceived as continuous motion.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 3 · wrong ✗ · **Who acts:** you · **What happens:** identify, perceive · **To what, where:** principal reason, succession

<!-- .vabout -->
This is exam question 1 of lesson 23 «Animation: flipbooks, stop-motion, computer cartoons» of the arts 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/arts/23-animation-flipbooks-stop-motion-computer-cartoons/#e1).

## The question {#question}

```conllu
# sent_id = question:arts:23-animation-flipbooks-stop-motion-computer-cartoons:e1:1
# text = Identify the principal reason for which a succession of still drawings is perceived as continuous motion.
1	Identify	identify	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
3	principal	principal	ADJ	JJ	Degree=Pos	4	amod	_	_
4	reason	reason	NOUN	NN	Number=Sing	1	obj	_	_
5	for	for	ADP	IN	_	6	case	_	_
6	which	which	PRON	WDT	PronType=Rel	13	obl	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	succession	succession	NOUN	NN	Number=Sing	13	nsubj:pass	_	_
9	of	of	ADP	IN	_	11	case	_	_
10	still	still	ADV	RB	_	11	advmod	_	_
11	drawings	drawing	NOUN	NNS	Number=Plur	8	nmod	_	_
12	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	13	aux:pass	_	_
13	perceived	perceive	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	4	acl:relcl	_	_
14	as	as	ADP	IN	_	16	case	_	_
15	continuous	continuous	ADJ	JJ	Degree=Pos	16	amod	_	_
16	motion	motion	NOUN	NN	Number=Sing	13	obl	_	SpaceAfter=No
17	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **identify** | imperative | you *not said here* | the principal reason |  |  |  |  | vn characterize-29.2-1-1 «NP V NP S\_ING»: agent=Agent reason=Theme |
| 2 | **perceive** | present · passive |  | a succession of drawings |  |  |  | for the principal reason; as continuous motion | vn characterize-29.2 «NP V NP S\_ING»: subject=Theme as motion=Attribute |

<!-- .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 -->
The ink of each drawing is displaced upon the page

```conllu
# sent_id = question:arts:23-animation-flipbooks-stop-motion-computer-cartoons:e1:o1:1
# text = The ink of each drawing is displaced upon the page
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	ink	ink	NOUN	NN	Number=Sing	7	nsubj:pass	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	each	each	DET	DT	PronType=Tot	5	det	_	_
5	drawing	drawing	NOUN	NN	Number=Sing	2	nmod	_	_
6	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	aux:pass	_	_
7	displaced	displace	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
8	upon	upon	ADP	IN	_	10	case	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	page	page	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **displace** | present · passive |  | the ink of each drawing |  |  |  | upon the page | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
The pages themselves undergo movement of the figures

```conllu
# sent_id = question:arts:23-animation-flipbooks-stop-motion-computer-cartoons:e1:o2:1
# text = The pages themselves undergo movement of the figures
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	pages	page	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	themselves	themselves	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs|Reflex=Yes	2	nmod	_	_
4	undergo	undergo	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
5	movement	movement	NOUN	NN	Number=Sing	4	obj	_	_
6	of	of	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	figures	figure	NOUN	NNS	Number=Plur	5	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **undergo** | infinitive | the pages  pages | movement of the figures |  |  |  |  | tree rules |
| 2 | **move** |  |  | the figures |  |  |  |  | nom movement «act transitive»: of=patient |

### Option 3 · ✓ the right answer {#o3}

<!-- .ven lang=en -->
The eye and brain blend images presented in rapid succession

```conllu
# sent_id = question:arts:23-animation-flipbooks-stop-motion-computer-cartoons:e1:o3:1
# text = The eye and brain blend images presented in rapid succession
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	eye	eye	NOUN	NN	Number=Sing	5	nsubj	_	_
3	and	and	CCONJ	CC	_	4	cc	_	_
4	brain	brain	NOUN	NN	Number=Sing	2	conj	_	_
5	blend	blend	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	images	image	NOUN	NNS	Number=Plur	5	obj	_	_
7	presented	present	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	6	acl	_	_
8	in	in	ADP	IN	_	10	case	_	_
9	rapid	rapid	ADJ	JJ	Degree=Pos	10	amod	_	_
10	succession	succession	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **blend** | present | the eye and brain | images |  |  |  |  | vn mix-22.1-1-1 «NP V NP»: agent=Agent image=Patient |
| 2 | **present** | participle |  | images *not said here* |  | rapid succession |  |  | vn fulfilling-13.4.1 «NP V NP»: agent=Agent |

### Option 4 {#o4}

<!-- .ven lang=en -->
The drawings are altered by the viewer's touch

```conllu
# sent_id = question:arts:23-animation-flipbooks-stop-motion-computer-cartoons:e1:o4:1
# text = The drawings are altered by the viewer's touch
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	drawings	drawing	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	altered	alter	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	by	by	ADP	IN	_	9	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	viewer	viewer	NOUN	NN	Number=Sing	9	nmod:poss	_	SpaceAfter=No
8	's	's	PART	POS	_	7	case	_	_
9	touch	touch	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **alter** | present · passive | the viewer's touch | the drawings |  |  |  |  | vn other\_cos-45.4 «NP V NP.patient»: agent=Agent subject=Patient |
| 2 | **touch** |  | the viewer |  |  |  |  |  | nom touch «event transitive»: poss=agent |

<!-- div src -->

**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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- ← previous: [Animation: flipbooks, stop-motion, com…, test 11](https://md.mova.elamur.ai/free/en/corpora/questions/arts/23-animation-flipbooks-stop-motion-computer-cartoons/t11/)
- next →: [Animation: flipbooks, stop-motion, com…, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/arts/23-animation-flipbooks-stop-motion-computer-cartoons/e2/)
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