---
title: Determine which of the following does NOT constitute a sound inferen… — The magician's trick explained · tree and pragmatics
description: Determine which of the following does NOT constitute a sound inference concerning a video depicting a person floating unsupported. Exam question 4 of lesson 448 «The magician's trick explained» of the everyday course of Mova's primary school, with the dependency tree and pragmatics of the question a
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/everyday/448-the-magicians-trick-explained/e4/)

<!-- crumbs -->
[home](https://md.mova.elamur.ai/free/en/) / [corpora](https://md.mova.elamur.ai/free/en/corpora/) / [questions](https://md.mova.elamur.ai/free/en/corpora/questions/) / [Everyday](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/) / [The magician's trick explained](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/448-the-magicians-trick-explained/) / e4

# Exam question 4 · The magician's trick explained

<!-- .ven lang=en -->
Determine which of the following does NOT constitute a sound inference concerning a video depicting a person floating unsupported.

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 1 · wrong ✗ · **Who acts:** you, sound inference, video, person · **What happens:** determine, follow, not constitute, concern, depict, float · **To what, where:** sound inference, video, person

<!-- .vabout -->
This is exam question 4 of lesson 448 «The magician's trick explained» of the everyday 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/everyday/448-the-magicians-trick-explained/#e4).

## The question {#question}

```conllu
# sent_id = question:everyday:448-the-magicians-trick-explained:e4:1
# text = Determine which of the following does NOT constitute a sound inference concerning a video depicting a person floating unsupported.
1	Determine	determine	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	which	which	PRON	WDT	PronType=Rel	8	nsubj	_	_
3	of	of	SCONJ	IN	_	8	mark	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
5	following	follow	VERB	VBG	VerbForm=Ger	8	nsubj	_	_
6	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	8	aux	_	_
7	NOT	not	PART	RB	Polarity=Neg	8	advmod	_	_
8	constitute	constitute	VERB	VB	VerbForm=Inf	1	ccomp	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
10	sound	sound	NOUN	NN	Number=Sing	11	compound	_	_
11	inference	inference	NOUN	NN	Number=Sing	8	obj	_	_
12	concerning	concern	VERB	VBG	VerbForm=Ger	11	acl	_	_
13	a	a	DET	DT	Definite=Ind|PronType=Art	14	det	_	_
14	video	video	NOUN	NN	Number=Sing	12	obj	_	_
15	depicting	depict	VERB	VBG	VerbForm=Ger	14	acl	_	_
16	a	a	DET	DT	Definite=Ind|PronType=Art	17	det	_	_
17	person	person	NOUN	NN	Number=Sing	15	obj	_	_
18	floating	float	VERB	VBG	VerbForm=Ger	17	acl	_	_
19	unsupported	unsupported	ADJ	JJ	Degree=Pos	18	xcomp	_	SpaceAfter=No
20	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **determine** | imperative | you *not said here* |  |  |  |  |  | vn discover-84 «NP V how S»: agent=Agent clause=Topic |
| 2 | **follow** | gerund |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 3 | **not** **constitute** | present · do-support |  | a sound inference |  |  |  |  | vn comprise-107.2-1 «NP V NP»: agent=Theme inference=Pivot |
| 4 | **concern** | gerund | a sound inference *not said here* | a video |  |  |  |  | vn amuse-31.1 «NP V NP»: agent=Stimulus video=Experiencer |
| 5 | **depict** | gerund | a video *not said here* | a person |  |  |  |  | vn characterize-29.2 «NP V NP S\_ING»: agent=Agent person=Theme |
| 6 | **float** | gerund | a person *not said here* |  |  |  |  | unsupported *property* | vn run-51.3.2-2 «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 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
That the video proves the person can float

```conllu
# sent_id = question:everyday:448-the-magicians-trick-explained:e4:o1:1
# text = That the video proves the person can float
1	That	that	DET	DT	Number=Sing|PronType=Dem	3	det	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	video	video	NOUN	NN	Number=Sing	4	nsubj	_	_
4	proves	prove	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	person	person	NOUN	NN	Number=Sing	8	nsubj	_	_
7	can	can	AUX	MD	VerbForm=Fin	8	aux	_	_
8	float	float	VERB	VB	VerbForm=Inf	4	ccomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **prove** | present | that video |  |  |  |  |  | vn declare-29.4-1-1 «NP V what S\_INF»: agent=Agent clause=Theme |
| 2 | **float** | can | the person |  |  |  |  |  | vn run-51.3.2-2 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
That a support may be concealed from the camera

```conllu
# sent_id = question:everyday:448-the-magicians-trick-explained:e4:o2:1
# text = That a support may be concealed from the camera
1	That	that	DET	DT	Number=Sing|PronType=Dem	3	det	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
3	support	support	NOUN	NN	Number=Sing	6	nsubj:pass	_	_
4	may	may	AUX	MD	VerbForm=Fin	6	aux	_	_
5	be	be	AUX	VB	VerbForm=Inf	6	aux:pass	_	_
6	concealed	conceal	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
7	from	from	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	camera	camera	NOUN	NN	Number=Sing	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **conceal** | may · passive |  | that support |  | the camera |  |  | vn concealment-16 «NP V NP PP.beneficiary»: subject=Patient from camera=Beneficiary |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
That the video may have been edited

```conllu
# sent_id = question:everyday:448-the-magicians-trick-explained:e4:o3:1
# text = That the video may have been edited
1	That	that	DET	DT	Number=Sing|PronType=Dem	3	det	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	video	video	NOUN	NN	Number=Sing	7	nsubj:pass	_	_
4	may	may	AUX	MD	VerbForm=Fin	7	aux	_	_
5	have	have	AUX	VB	VerbForm=Inf	7	aux	_	_
6	been	be	AUX	VBN	Tense=Past|VerbForm=Part	7	aux:pass	_	_
7	edited	edit	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **edit** | may · perfect · passive |  | that video |  |  |  |  | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
That a single camera angle may conceal the method

```conllu
# sent_id = question:everyday:448-the-magicians-trick-explained:e4:o4:1
# text = That a single camera angle may conceal the method
1	That	that	DET	DT	Number=Sing|PronType=Dem	5	det	_	_
2	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
3	single	single	ADJ	JJ	Degree=Pos	4	amod	_	_
4	camera	camera	NOUN	NN	Number=Sing	5	compound	_	_
5	angle	angle	NOUN	NN	Number=Sing	7	nsubj	_	_
6	may	may	AUX	MD	VerbForm=Fin	7	aux	_	_
7	conceal	conceal	VERB	VB	VerbForm=Inf	0	root	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	method	method	NOUN	NN	Number=Sing	7	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **conceal** | may | that camera angle | the method |  |  |  |  | vn concealment-16 «NP V NP»: agent=Agent method=Patient |

<!-- 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 -->

<!-- pn -->
- ← previous: [The magician's trick explained, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/448-the-magicians-trick-explained/e3/)
- next →: [Stories that change, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/449-stories-that-change/t1/)
- ↑ back to [The magician's trick explained](https://md.mova.elamur.ai/free/en/corpora/questions/everyday/448-the-magicians-trick-explained/)