---
title: You count 6 seconds between a lightning flash and its thunder, and l… — Thinking it through — forces, heat, li… · tree and pragmatics
description: You count 6 seconds between a lightning flash and its thunder, and later only 3 seconds. What has happened? Test 3 · ★★★ of lesson 60 «Thinking it through — forces, heat, light and energy» of the world course of Mova's primary school, with the dependency tree and pragmatics of the question and of ea
---

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# Test 3 · ★★★ · Thinking it through — forces, heat, light and energy

<!-- .ven lang=en -->
You count 6 seconds between a lightning flash and its thunder, and later only 3 seconds. What has happened?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 1 · wrong ✗ · **Who acts:** You, its · **What happens:** count, thunder, happen

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This is test 3 · ★★★ of lesson 60 «Thinking it through — forces, heat, light and energy» of the world 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/world/60-reasoning-energy-technology/#t3).

## The question {#question}

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*Sentence 1:* You count 6 seconds between a lightning flash and its thunder, and later only 3 seconds.

```conllu
# sent_id = question:world:60-reasoning-energy-technology:t3:1
# text = You count 6 seconds between a lightning flash and its thunder, and later only 3 seconds.
1	You	you	PRON	PRP	Case=Nom|Person=2|PronType=Prs	2	nsubj	_	_
2	count	count	VERB	VBP	Mood=Ind|Number=Sing|Person=2|Tense=Pres|VerbForm=Fin	0	root	_	_
3	6	6	NUM	CD	NumForm=Digit|NumType=Card	4	nummod	_	_
4	seconds	second	NOUN	NNS	Number=Plur	2	obj	_	_
5	between	between	ADP	IN	_	8	case	_	_
6	a	a	DET	DT	Definite=Ind|PronType=Art	8	det	_	_
7	lightning	lightning	NOUN	NN	Number=Sing	8	compound	_	_
8	flash	flash	NOUN	NN	Number=Sing	4	nmod	_	_
9	and	and	CCONJ	CC	_	11	cc	_	_
10	its	its	PRON	PRP$	Case=Gen|Gender=Neut|Number=Sing|Person=3|Poss=Yes|PronType=Prs	11	nmod:poss	_	_
11	thunder	thunder	NOUN	NN	Number=Sing	8	conj	_	SpaceAfter=No
12	,	,	PUNCT	,	_	14	punct	_	_
13	and	and	CCONJ	CC	_	14	cc	_	_
14	later	late	ADV	RBR	Degree=Cmp	2	advmod	_	_
15	only	only	ADV	RB	_	16	advmod	_	_
16	3	3	NUM	CD	NumForm=Digit|NumType=Card	17	nummod	_	_
17	seconds	second	NOUN	NNS	Number=Plur	14	obl	_	SpaceAfter=No
18	.	.	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **count** | present | You |  |  |  | second | late *property* | vn matter-91 «NP V»: agent=Stimulus |
| 2 | **thunder** |  | its *= it* |  |  |  |  |  | nom thunder «event intransitive»: poss=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.

<!-- .note -->
*Sentence 2:* What has happened?

```conllu
# sent_id = question:world:60-reasoning-energy-technology:t3:2
# text = What has happened?
1	What	what	PRON	WP	PronType=Int	3	nsubj	_	_
2	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	3	aux	_	_
3	happened	happen	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	SpaceAfter=No
4	?	?	PUNCT	.	_	3	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **happen** | present · perfect |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |

## The options {#options}

### Option 1 · ✓ the right answer {#o1}

<!-- .ven lang=en -->
The storm has come closer

```conllu
# sent_id = question:world:60-reasoning-energy-technology:t3:o1:1
# text = The storm has come closer
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	storm	storm	NOUN	NN	Number=Sing	4	nsubj	_	_
3	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
4	come	come	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	_
5	closer	close	ADV	RBR	Degree=Cmp	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **come** | present · perfect | the storm |  |  |  |  | close *property* | vn escape-51.1-1 «NP V»: agent=Theme |

### Option 2 {#o2}

<!-- .ven lang=en -->
The thunder has become faster

```conllu
# sent_id = question:world:60-reasoning-energy-technology:t3:o2:1
# text = The thunder has become faster
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	thunder	thunder	NOUN	NN	Number=Sing	4	nsubj	_	_
3	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
4	become	become	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	_
5	faster	fast	ADV	RBR	Degree=Cmp	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **become** | present · perfect | the thunder |  |  |  |  | fast *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
The storm has moved further away

```conllu
# sent_id = question:world:60-reasoning-energy-technology:t3:o3:1
# text = The storm has moved further away
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	storm	storm	NOUN	NN	Number=Sing	4	nsubj	_	_
3	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
4	moved	move	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	_
5	further	further	ADV	RB	_	6	advmod	_	_
6	away	away	ADV	RB	_	4	advmod	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **move** | present · perfect | the storm |  |  |  |  | away *property* | vn roll-51.3.1 «NP.theme V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
The lightning has become slower

```conllu
# sent_id = question:world:60-reasoning-energy-technology:t3:o4:1
# text = The lightning has become slower
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	lightning	lightning	NOUN	NN	Number=Sing	4	nsubj	_	_
3	has	have	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	aux	_	_
4	become	become	VERB	VBN	Tense=Past|VerbForm=Part	0	root	_	_
5	slower	slow	ADJ	JJR	Degree=Cmp	4	xcomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **become** | present · perfect | the lightning |  |  |  |  | slow *property* | vn become-109.1-1-1 «NP V PP.attribute»: agent=Patient |

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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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