---
title: Two bots disagree about how tall a mountain is. What does that tell… — Hallucinations: confident made-up answ… · tree and pragmatics
description: Two bots disagree about how tall a mountain is. What does that tell you? Test 5 · ★ of lesson 5 «Hallucinations: confident made-up answers» of the AI course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was right.
---

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# Test 5 · ★ · Hallucinations: confident made-up answers

<!-- .ven lang=en -->
Two bots disagree about how tall a mountain is. What does that tell you?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** Two bots, mountain, that · **What happens:** disagree, be, tell · **To what, where:** you · **Speech:** someone speaks here

<!-- .vabout -->
This is test 5 · ★ of lesson 5 «Hallucinations: confident made-up answers» of the AI 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/ai/5-hallucinations-confident-made-up-answers/#t5).

## The question {#question}

<!-- .note -->
*Sentence 1:* Two bots disagree about how tall a mountain is.

```conllu
# sent_id = question:ai:5-hallucinations-confident-made-up-answers:t5:1
# text = Two bots disagree about how tall a mountain is.
1	Two	two	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	bots	bot	NOUN	NNS	Number=Plur	3	nsubj	_	_
3	disagree	disagree	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	about	about	ADP	IN	_	6	case	_	_
5	how	how	ADV	WRB	PronType=Int	6	advmod	_	_
6	tall	tall	ADJ	JJ	Degree=Pos	3	obl	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
8	mountain	mountain	NOUN	NN	Number=Sing	6	nsubj	_	_
9	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	cop	_	SpaceAfter=No
10	.	.	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **disagree** | present | Two bots |  |  |  |  |  | vn correspond-36.1 «NP V»: agent=Agent |
| 2 | **is** | present | a mountain |  |  |  |  | tall *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.

<!-- .note -->
*Sentence 2:* What does that tell you?

```conllu
# sent_id = question:ai:5-hallucinations-confident-made-up-answers:t5:2
# text = What does that tell you?
1	What	what	PRON	WP	PronType=Int	4	obj	_	_
2	does	do	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
3	that	that	PRON	DT	Number=Sing|PronType=Dem	4	nsubj	_	_
4	tell	tell	VERB	VB	VerbForm=Inf	0	root	_	_
5	you	you	PRON	PRP	Case=Acc|Person=2|PronType=Prs	4	iobj	_	SpaceAfter=No
6	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **tell** *speech: assert* | present · do-support | that |  | you |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V NP-Dative NP»: agent=Agent you=Recipient what=Topic |

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
It's a sign to check a trusted source

```conllu
# sent_id = question:ai:5-hallucinations-confident-made-up-answers:t5:o1:1
# text = It's a sign to check a trusted source
1	It	it	PRON	PRP	Case=Nom|Gender=Neut|Number=Sing|Person=3|PronType=Prs	4	nsubj	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	a	a	DET	DT	Definite=Ind|PronType=Art	4	det	_	_
4	sign	sign	NOUN	NN	Number=Sing	0	root	_	_
5	to	to	PART	TO	_	6	mark	_	_
6	check	check	VERB	VB	VerbForm=Inf	4	acl	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	trusted	trust	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	9	amod	_	_
9	source	source	NOUN	NN	Number=Sing	6	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | It | a sign |  |  |  |  | tree rules |
| 2 | **check** | to-infinitive |  | a trusted source |  |  |  |  | vn assessment-34.1 «NP V NP»: agent=Agent source=Theme |
| 3 | **trust** | participle |  |  |  |  |  |  | vn conjecture-29.5-1 «NP V that S»: agent=Agent |

### Option 2 {#o2}

<!-- .ven lang=en -->
One of them must be broken and needs fixing

```conllu
# sent_id = question:ai:5-hallucinations-confident-made-up-answers:t5:o2:1
# text = One of them must be broken and needs fixing
1	One	one	NUM	CD	NumForm=Word|NumType=Card	6	nsubj:pass	_	_
2	of	of	ADP	IN	_	3	case	_	_
3	them	they	PRON	PRP	Case=Acc|Number=Plur|Person=3|PronType=Prs	1	nmod	_	_
4	must	must	AUX	MD	VerbForm=Fin	6	aux	_	_
5	be	be	AUX	VB	VerbForm=Inf	6	aux:pass	_	_
6	broken	break	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
7	and	and	CCONJ	CC	_	8	cc	_	_
8	needs	need	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	conj	_	_
9	fixing	fixing	NOUN	NN	Number=Sing	8	obj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **break** | must · passive |  | One of them |  |  |  |  | vn hurt-40.8.3-1-1 «NP V NP»: subject=Patient |
| 2 | **need** | present |  | fixing |  |  |  |  | vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot fixing=Theme |

### Option 3 {#o3}

<!-- .ven lang=en -->
The mountain keeps changing its height every year

```conllu
# sent_id = question:ai:5-hallucinations-confident-made-up-answers:t5:o3:1
# text = The mountain keeps changing its height every year
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	mountain	mountain	NOUN	NN	Number=Sing	3	nsubj	_	_
3	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	changing	change	VERB	VBG	VerbForm=Ger	3	xcomp	_	_
5	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	6	nmod:poss	_	_
6	height	height	NOUN	NN	Number=Sing	4	obj	_	_
7	every	every	DET	DT	PronType=Tot	8	det	_	_
8	year	year	NOUN	NN	Number=Sing	4	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | present | the mountain |  |  |  |  |  | tree rules |
| 2 | **change** | gerund | the mountain *not said here* | mountain's height |  |  | year |  | vn dress-41.1.1-1-1 «NP V NP»: agent=Agent height=Patient |

### Option 4 {#o4}

<!-- .ven lang=en -->
Both are right in their own different way

```conllu
# sent_id = question:ai:5-hallucinations-confident-made-up-answers:t5:o4:1
# text = Both are right in their own different way
1	Both	both	DET	DT	PronType=Tot	3	nsubj	_	_
2	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	3	cop	_	_
3	right	right	ADJ	JJ	Degree=Pos	0	root	_	_
4	in	in	ADP	IN	_	8	case	_	_
5	their	their	PRON	PRP$	Case=Gen|Number=Plur|Person=3|Poss=Yes|PronType=Prs	8	nmod:poss	_	_
6	own	own	ADJ	JJ	Degree=Pos	8	amod	_	_
7	different	different	ADJ	JJ	Degree=Pos	8	amod	_	_
8	way	way	NOUN	NN	Number=Sing	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Both |  |  | their own different way |  | right *property* | tree rules |

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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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