---
title: Identify the principal reason for which a video platform persists in… — Older siblings and YouTube gameplay · tree and pragmatics
description: Identify the principal reason for which a video platform persists in recommending content resembling that which a user has previously selected. Exam question 2 of lesson 423 «Older siblings and YouTube gameplay» of the everyday course of Mova's primary school, with the dependency tree and pragmatics
---

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# Exam question 2 · Older siblings and YouTube gameplay

<!-- .ven lang=en -->
Identify the principal reason for which a video platform persists in recommending content resembling that which a user has previously selected.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **Who acts:** you, video platform · **What happens:** identify, persist, recommend, resemble, select · **To what, where:** principal reason, recommending content, user

<!-- .vabout -->
This is exam question 2 of lesson 423 «Older siblings and YouTube gameplay» 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/423-older-siblings-and-youtube-gameplay/#e2).

## The question {#question}

```conllu
# sent_id = question:everyday:423-older-siblings-and-youtube-gameplay:e2:1
# text = Identify the principal reason for which a video platform persists in recommending content resembling that which a user has previously selected.
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	10	obl	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	video	video	NOUN	NN	Number=Sing	9	compound	_	_
9	platform	platform	NOUN	NN	Number=Sing	10	nsubj	_	_
10	persists	persist	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	acl	_	_
11	in	in	ADP	IN	_	13	case	_	_
12	recommending	recommend	VERB	VBG	VerbForm=Ger	13	amod	_	_
13	content	content	NOUN	NN	Number=Sing	10	obl	_	_
14	resembling	resemble	VERB	VBG	Tense=Pres|VerbForm=Part	10	advcl	_	_
15	that	that	SCONJ	IN	_	21	mark	_	_
16	which	which	PRON	WDT	PronType=Rel	21	obj	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	user	user	NOUN	NN	Number=Sing	21	nsubj:pass	_	_
19	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	21	aux	_	_
20	previously	previously	ADV	RB	_	21	advmod	_	_
21	selected	select	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	14	advcl	_	SpaceAfter=No
22	.	.	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 | **persist** | present | a video platform |  |  | recommending content |  | for the principal reason | vn exist-47.1 «NP V PP.location»: agent=Theme in content=Location |
| 3 | **recommend** | gerund |  |  |  |  |  |  | vn say-37.7-1-1-1 «NP V that S»: agent=Agent |
| 4 | **resemble** | gerund | a video platform *not said here* |  |  |  |  |  | tree rules |
| 5 | **select** | present · perfect · passive |  | a user |  |  |  | previously *property* | tree rules |

<!-- .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 user's device has been compromised by a harmful program

```conllu
# sent_id = question:everyday:423-older-siblings-and-youtube-gameplay:e2:o1:1
# text = The user's device has been compromised by a harmful program
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	user	user	NOUN	NN	Number=Sing	4	nmod:poss	_	SpaceAfter=No
3	's	's	PART	POS	_	2	case	_	_
4	device	device	NOUN	NN	Number=Sing	7	nsubj:pass	_	_
5	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	7	aux	_	_
6	been	be	AUX	VBN	Tense=Past|VerbForm=Part	7	aux:pass	_	_
7	compromised	compromise	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
8	by	by	ADP	IN	_	11	case	_	_
9	a	a	DET	DT	Definite=Ind|PronType=Art	11	det	_	_
10	harmful	harmful	ADJ	JJ	Degree=Pos	11	amod	_	_
11	program	program	NOUN	NN	Number=Sing	7	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **compromise** | present · perfect · passive | a harmful program | the user's device |  |  |  |  | tree rules |

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

<!-- .ven lang=en -->
The platform recommends further material similar to prior selections

```conllu
# sent_id = question:everyday:423-older-siblings-and-youtube-gameplay:e2:o2:1
# text = The platform recommends further material similar to prior selections
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	platform	platform	NOUN	NN	Number=Sing	3	nsubj	_	_
3	recommends	recommend	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	further	further	ADJ	JJ	Degree=Pos	5	amod	_	_
5	material	material	NOUN	NN	Number=Sing	3	obj	_	_
6	similar	similar	ADJ	JJ	Degree=Pos	5	amod	_	_
7	to	to	ADP	IN	_	9	case	_	_
8	prior	prior	ADJ	JJ	Degree=Pos	9	amod	_	_
9	selections	selection	NOUN	NNS	Number=Plur	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **recommend** | present | the platform | further material |  |  |  |  | vn judgment-33.1-1 «NP V NP»: agent=Agent material=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
The content is recommended equally to every user

```conllu
# sent_id = question:everyday:423-older-siblings-and-youtube-gameplay:e2:o3:1
# text = The content is recommended equally to every user
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	content	content	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	recommended	recommend	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	equally	equally	ADV	RB	_	4	advmod	_	_
6	to	to	ADP	IN	_	8	case	_	_
7	every	every	DET	DT	PronType=Tot	8	det	_	_
8	user	user	NOUN	NN	Number=Sing	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **recommend** | present · passive |  | the content | every user |  |  | equally *property* | vn say-37.7-1-1-1 «NP V NP PP.recipient»: subject=Topic to user=Recipient |

### Option 4 {#o4}

<!-- .ven lang=en -->
The platform is obliged by law to repeat each video

```conllu
# sent_id = question:everyday:423-older-siblings-and-youtube-gameplay:e2:o4:1
# text = The platform is obliged by law to repeat each video
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	platform	platform	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux:pass	_	_
4	obliged	oblige	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	by	by	ADP	IN	_	6	case	_	_
6	law	law	NOUN	NN	Number=Sing	4	obl	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	repeat	repeat	VERB	VB	VerbForm=Inf	4	advcl	_	_
9	each	each	DET	DT	PronType=Tot	10	det	_	_
10	video	video	NOUN	NN	Number=Sing	8	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **oblige** | present · passive | law | the platform |  |  |  |  | vn compel-59.1-1 «NP V NP»: agent=Agent subject=Patient |
| 2 | **repeat** | to-infinitive | law *not said here* | each video |  |  |  |  | vn begin-55.1-1-1 «NP V NP»: agent=Agent video=Eventuality |

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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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