---
title: Ascertain the reason for which a chatbot fails to retain words inven… — Pretend games, quotes and two bots tha… · tree and pragmatics
description: Ascertain the reason for which a chatbot fails to retain words invented earlier in a protracted conversation. Exam question 4 of lesson 7 «Pretend games, quotes and two bots that disagree» of the AI course of Mova's primary school, with the dependency tree and pragmatics of the question and of each 
---

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# Exam question 4 · Pretend games, quotes and two bots that disagree

<!-- .ven lang=en -->
Ascertain the reason for which a chatbot fails to retain words invented earlier in a protracted conversation.

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 4 · wrong ✗ · **Who acts:** you, chatbot · **What happens:** ascertain, fail, not retain, invent, protract · **To what, where:** reason, words, protracted conversation

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This is exam question 4 of lesson 7 «Pretend games, quotes and two bots that disagree» of the AI 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/ai/7-pretend-games-quotes-and-two-bots/#e4).

## The question {#question}

```conllu
# sent_id = question:ai:7-pretend-games-quotes-and-two-bots:e4:1
# text = Ascertain the reason for which a chatbot fails to retain words invented earlier in a protracted conversation.
1	Ascertain	ascertain	VERB	VB	Mood=Imp|VerbForm=Fin	0	root	_	_
2	the	the	DET	DT	Definite=Def|PronType=Art	3	det	_	_
3	reason	reason	NOUN	NN	Number=Sing	1	obj	_	_
4	for	for	ADP	IN	_	5	case	_	_
5	which	which	PRON	WDT	PronType=Rel	8	obl	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	7	det	_	_
7	chatbot	chatbot	NOUN	NN	Number=Sing	8	nsubj	_	_
8	fails	fail	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	acl	_	_
9	to	to	PART	TO	_	10	mark	_	_
10	retain	retain	VERB	VB	VerbForm=Inf	8	xcomp	_	_
11	words	word	NOUN	NNS	Number=Plur	10	obj	_	_
12	invented	invent	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	11	acl	_	_
13	earlier	early	ADV	RBR	Degree=Cmp	12	advmod	_	_
14	in	in	ADP	IN	_	17	case	_	_
15	a	a	DET	DT	Definite=Ind|PronType=Art	17	det	_	_
16	protracted	protract	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	17	amod	_	_
17	conversation	conversation	NOUN	NN	Number=Sing	12	obl	_	SpaceAfter=No
18	.	.	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **ascertain** | imperative | you *not said here* | the reason |  |  |  |  | vn discover-84 «NP V NP»: agent=Agent reason=Topic |
| 2 | **fail** | present | a chatbot |  |  |  |  | for the reason | vn succeed-74-3-1-1 «NP V S\_INF»: agent=Agent clause=Eventuality |
| 3 | **not** **retain** | to-infinitive | a chatbot *not said here* | words |  |  |  |  | tree rules |
| 4 | **invent** | participle |  | words *not said here* |  | a protracted conversation |  | early *property* | vn create-26.4-1 «NP V»: agent=Agent |
| 5 | **protract** | participle |  |  |  |  |  |  | vn sustain-55.6 «NP V NP PP.instrument»: agent=Agent |

<!-- .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 -->
It retains only the final message of any conversation

```conllu
# sent_id = question:ai:7-pretend-games-quotes-and-two-bots:e4:o1:1
# text = It retains only the final message of any conversation
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	2	nsubj	_	_
2	retains	retain	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	only	only	ADV	RB	_	6	advmod	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
5	final	final	ADJ	JJ	Degree=Pos	6	amod	_	_
6	message	message	NOUN	NN	Number=Sing	2	obj	_	_
7	of	of	ADP	IN	_	9	case	_	_
8	any	any	DET	DT	PronType=Ind	9	det	_	_
9	conversation	conversation	NOUN	NN	Number=Sing	6	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **retain** | present | It | the final message of any conversation |  |  |  |  | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
It has deliberately chosen to disregard the user

```conllu
# sent_id = question:ai:7-pretend-games-quotes-and-two-bots:e4:o2:1
# text = It has deliberately chosen to disregard the user
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	_
2	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	deliberately	deliberately	ADV	RB	_	4	advmod	_	_
4	chosen	choose	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	disregard	disregard	VERB	VB	VerbForm=Inf	4	xcomp	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	user	user	NOUN	NN	Number=Sing	6	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **choose** | present · perfect | It |  |  |  |  | deliberately *property* | tree rules |
| 2 | **disregard** | to-infinitive |  | the user |  |  |  |  | vn neglect-75.1 «NP V NP»: agent=Agent user=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
Invented words are prohibited by its makers

```conllu
# sent_id = question:ai:7-pretend-games-quotes-and-two-bots:e4:o3:1
# text = Invented words are prohibited by its makers
1	Invented	invent	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	2	amod	_	_
2	words	word	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	prohibited	prohibit	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	by	by	ADP	IN	_	7	case	_	_
6	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	7	nmod:poss	_	_
7	makers	maker	NOUN	NNS	Number=Plur	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **invent** | participle |  |  |  |  |  |  | vn create-26.4-1 «NP V»: agent=Agent |
| 2 | **prohibit** | present · passive | its makers | Invented words |  |  |  |  | vn forbid-64.4-1 «NP V NP»: agent=Causer subject=Theme |

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

<!-- .ven lang=en -->
Long conversations may exceed the quantity of text it can keep in view at once

<!-- fold The tree, 15 words -->
```conllu
# sent_id = question:ai:7-pretend-games-quotes-and-two-bots:e4:o4:1
# text = Long conversations may exceed the quantity of text it can keep in view at once
1	Long	long	ADJ	JJ	Degree=Pos	2	amod	_	_
2	conversations	conversation	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	may	may	AUX	MD	VerbForm=Fin	4	aux	_	_
4	exceed	exceed	VERB	VB	VerbForm=Inf	0	root	_	_
5	the	the	DET	DT	Definite=Def|PronType=Art	6	det	_	_
6	quantity	quantity	NOUN	NN	Number=Sing	4	obj	_	_
7	of	of	ADP	IN	_	8	case	_	_
8	text	text	NOUN	NN	Number=Sing	6	nmod	_	_
9	it	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	11	nsubj	_	_
10	can	can	AUX	MD	VerbForm=Fin	11	aux	_	_
11	keep	keep	VERB	VB	VerbForm=Inf	4	conj	_	_
12	in	in	ADP	IN	_	13	case	_	_
13	view	view	NOUN	NN	Number=Sing	11	obl	_	_
14	at	at	ADP	IN	_	15	case	_	_
15	once	once	ADV	RB	NumForm=Word|NumType=Mult	11	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **exceed** | may | Long conversations | the quantity of text |  |  |  |  | vn exceed-90 «NP V NP»: agent=Pivot quantity=Theme |
| 2 | **keep** | can | quantity |  |  | view |  |  | vn keep-15.2 «NP V NP PP.location»: agent=Agent in view=Location |

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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.

<!-- /div -->

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- ← previous: [Pretend games, quotes and two bots tha…, exam 3](https://md.mova.elamur.ai/free/en/corpora/questions/ai/7-pretend-games-quotes-and-two-bots/e3/)
- next →: [Asking well, being polite, knowing whe…, test 1](https://md.mova.elamur.ai/free/en/corpora/questions/ai/8-asking-well-and-knowing-when-to-stop/t1/)
- ↑ back to [Pretend games, quotes and two bots that disagree](https://md.mova.elamur.ai/free/en/corpora/questions/ai/7-pretend-games-quotes-and-two-bots/)