---
title: Which of the following most accurately characterises the derivation… — "It worked once": one example is not all · tree and pragmatics
description: Which of the following most accurately characterises the derivation of a universal rule from one instance? Exam question 3 of lesson 164 «"It worked once": one example is not all» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option
---

<!-- md -->
[Mova](https://md.mova.elamur.ai/free/en/) · [this page in HTML](https://mova.elamur.ai/free/en/corpora/questions/world/164-it-worked-once-one-example-is-not-all/e3/)

<!-- 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/) / [World](https://md.mova.elamur.ai/free/en/corpora/questions/world/) / ["It worked once": one example is not all](https://md.mova.elamur.ai/free/en/corpora/questions/world/164-it-worked-once-one-example-is-not-all/) / e3

# Exam question 3 · "It worked once": one example is not all

<!-- .ven lang=en -->
Which of the following most accurately characterises the derivation of a universal rule from one instance?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 2 · wrong ✗ · **What happens:** follow, characteris · **To what, where:** derivation

<!-- .vabout -->
This is exam question 3 of lesson 164 «"It worked once": one example is not all» of the world 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/world/164-it-worked-once-one-example-is-not-all/#e3).

## The question {#question}

```conllu
# sent_id = question:world:164-it-worked-once-one-example-is-not-all:e3:1
# text = Which of the following most accurately characterises the derivation of a universal rule from one instance?
1	Which	which	PRON	WDT	PronType=Rel	4	nsubj	_	_
2	of	of	ADP	IN	_	4	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	following	follow	VERB	VBG	Tense=Pres|VerbForm=Part	0	root	_	_
5	most	most	ADV	RBS	Degree=Sup	6	advmod	_	_
6	accurately	accurately	ADV	RB	_	7	advmod	_	_
7	characterises	characteris	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	derivation	derivation	NOUN	NN	Number=Sing	7	obj	_	_
10	of	of	ADP	IN	_	13	case	_	_
11	a	a	DET	DT	Definite=Ind|PronType=Art	13	det	_	_
12	universal	universal	ADJ	JJ	Degree=Pos	13	amod	_	_
13	rule	rule	NOUN	NN	Number=Sing	9	nmod	_	_
14	from	from	ADP	IN	_	16	case	_	_
15	one	one	NUM	CD	NumForm=Word|NumType=Card	16	nummod	_	_
16	instance	instance	NOUN	NN	Number=Sing	13	nmod	_	SpaceAfter=No
17	?	?	PUNCT	.	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **follow** | gerund |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **characteris** | present |  | the derivation of a universal rule from one instance |  |  |  | accurately *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 -->
A controlled experiment

```conllu
# sent_id = question:world:164-it-worked-once-one-example-is-not-all:e3:o1:1
# text = A controlled experiment
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	controlled	control	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	3	amod	_	_
3	experiment	experiment	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **control** | participle |  |  |  |  |  |  | vn enforce-63 «NP V that S»: agent=Agent |

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

<!-- .ven lang=en -->
A hasty generalisation

```conllu
# sent_id = question:world:164-it-worked-once-one-example-is-not-all:e3:o2:1
# text = A hasty generalisation
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	hasty	hasty	ADJ	JJ	Degree=Pos	3	amod	_	_
3	generalisation	generalisation	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 3 {#o3}

<!-- .ven lang=en -->
A definition

```conllu
# sent_id = question:world:164-it-worked-once-one-example-is-not-all:e3:o3:1
# text = A definition
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	definition	definition	NOUN	NN	Number=Sing	0	root	_	_
```

<!-- .note -->
The frames reader finds no event or fact in this sentence.

### Option 4 {#o4}

<!-- .ven lang=en -->
A survey of many cases

```conllu
# sent_id = question:world:164-it-worked-once-one-example-is-not-all:e3:o4:1
# text = A survey of many cases
1	A	a	DET	DT	Definite=Ind|PronType=Art	2	det	_	_
2	survey	survey	NOUN	NN	Number=Sing	0	root	_	_
3	of	of	ADP	IN	_	5	case	_	_
4	many	many	ADJ	JJ	Degree=Pos	5	amod	_	_
5	cases	case	NOUN	NNS	Number=Plur	2	nmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **survey** |  |  | many cases |  |  |  |  | nom survey «act transitive»: of=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: ["It worked once": one example is not all, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/world/164-it-worked-once-one-example-is-not-all/e2/)
- next →: ["It worked once": one example is not all, exam 4](https://md.mova.elamur.ai/free/en/corpora/questions/world/164-it-worked-once-one-example-is-not-all/e4/)
- ↑ back to ["It worked once": one example is not all](https://md.mova.elamur.ai/free/en/corpora/questions/world/164-it-worked-once-one-example-is-not-all/)