---
title: Why do the weather maps on TV show lines with triangles and half-cir… — Weather, storms and the changing climate · tree and pragmatics
description: Why do the weather maps on TV show lines with triangles and half-circles? Test 10 · ★★ of lesson 23 «Weather, storms and the changing climate» of the geography course of Mova's primary school, with the dependency tree and pragmatics of the question and of each option; Mova's choice was wrong.
---

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# Test 10 · ★★ · Weather, storms and the changing climate

<!-- .ven lang=en -->
Why do the weather maps on TV show lines with triangles and half-circles?

<!-- .vintro -->
**Mova's choice:** option 3 · **The right answer:** option 2 · wrong ✗ · **What happens:** do · **To what, where:** weather maps, show lines

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This is test 10 · ★★ of lesson 23 «Weather, storms and the changing climate» of the geography 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/geography/23-weather-storms-and-the-changing-climate/#t10).

## The question {#question}

```conllu
# sent_id = question:geography:23-weather-storms-and-the-changing-climate:t10:1
# text = Why do the weather maps on TV show lines with triangles and half-circles?
1	Why	why	ADV	WRB	PronType=Int	2	advmod	_	_
2	do	do	VERB	VBP	Mood=Ind|Number=Sing|Person=1|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	weather	weather	NOUN	NN	Number=Sing	5	compound	_	_
5	maps	map	NOUN	NNS	Number=Plur	2	obj	_	_
6	on	on	ADP	IN	_	9	case	_	_
7	TV	TV	NOUN	NN	Number=Sing	8	compound	_	_
8	show	show	NOUN	NN	Number=Sing	9	compound	_	_
9	lines	line	NOUN	NNS	Number=Plur	5	nmod	_	_
10	with	with	ADP	IN	_	11	case	_	_
11	triangles	triangle	NOUN	NNS	Number=Plur	9	nmod	_	_
12	and	and	CCONJ	CC	_	15	cc	_	_
13	half	half	NOUN	NN	Number=Sing|NumForm=Word|NumType=Frac	15	compound	_	SpaceAfter=No
14	-	-	PUNCT	HYPH	_	13	punct	_	SpaceAfter=No
15	circles	circle	NOUN	NNS	Number=Plur	11	conj	_	SpaceAfter=No
16	?	?	PUNCT	.	_	2	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **do** | present |  | the weather maps |  | show lines with triangles and half circles |  |  | vn act-114-1 «NP V NP»: agent=Agent map=Eventuality |

<!-- .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 {#o1}

<!-- .ven lang=en -->
They mark the borders between the counties

```conllu
# sent_id = question:geography:23-weather-storms-and-the-changing-climate:t10:o1:1
# text = They mark the borders between the counties
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	mark	mark	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	4	det	_	_
4	borders	border	NOUN	NNS	Number=Plur	2	obj	_	_
5	between	between	ADP	IN	_	7	case	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	counties	county	NOUN	NNS	Number=Plur	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **mark** | present | They | the borders |  | the counties |  |  | vn image\_impression-25.1 «NP V NP.theme PP.destination»: agent=Agent border=Theme between county=Destination |

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

<!-- .ven lang=en -->
They mark fronts, where warm and cold air meet

```conllu
# sent_id = question:geography:23-weather-storms-and-the-changing-climate:t10:o2:1
# text = They mark fronts, where warm and cold air meet
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	mark	mark	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	fronts	front	NOUN	NNS	Number=Plur	2	obj	_	SpaceAfter=No
4	,	,	PUNCT	,	_	6	punct	_	_
5	where	where	ADV	WRB	PronType=Rel	6	advmod	_	_
6	warm	warm	ADJ	JJ	Degree=Pos	3	amod	_	_
7	and	and	CCONJ	CC	_	10	cc	_	_
8	cold	cold	ADJ	JJ	Degree=Pos	10	amod	_	_
9	air	air	NOUN	NN	Number=Sing	10	compound	_	_
10	meet	meet	NOUN	NN	Number=Sing	6	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **mark** | present | They | fronts |  |  |  |  | vn image\_impression-25.1 «NP V NP.destination»: agent=Agent front=Destination |

### Option 3 · ← Mova's choice {#o3}

<!-- .ven lang=en -->
They show where the trains run

```conllu
# sent_id = question:geography:23-weather-storms-and-the-changing-climate:t10:o3:1
# text = They show where the trains run
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	show	show	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	where	where	ADV	WRB	PronType=Rel	6	advmod	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	trains	train	NOUN	NNS	Number=Plur	6	nsubj	_	_
6	run	run	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	2	ccomp	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **show** | present | They |  |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V how S»: agent=Agent clause=Topic |
| 2 | **run** | present | the trains |  |  |  |  |  | vn run-51.3.2-2-1 «NP V»: agent=Theme |

### Option 4 {#o4}

<!-- .ven lang=en -->
They show where lightning is going to strike today

```conllu
# sent_id = question:geography:23-weather-storms-and-the-changing-climate:t10:o4:1
# text = They show where lightning is going to strike today
1	They	they	PRON	PRP	Case=Nom|Number=Plur|Person=3|PronType=Prs	2	nsubj	_	_
2	show	show	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
3	where	where	ADV	WRB	PronType=Rel	6	advmod	_	_
4	lightning	lightning	NOUN	NN	Number=Sing	6	nsubj	_	_
5	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	6	aux	_	_
6	going	go	VERB	VBG	Tense=Pres|VerbForm=Part	2	ccomp	_	_
7	to	to	PART	TO	_	8	mark	_	_
8	strike	strike	VERB	VB	VerbForm=Inf	6	xcomp	_	_
9	today	today	NOUN	NN	Number=Sing	8	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **show** | present | They |  |  |  |  |  | vn transfer\_mesg-37.1.1-1-1 «NP V how S»: agent=Agent clause=Topic |
| 2 | **go** | present · progressive | lightning |  |  |  |  |  | vn say-37.7 «NP V S-Quote»: agent=Agent clause=Topic |
| 3 | **strike** | to-infinitive | lightning *not said here* |  |  |  | today |  | vn sound\_emission-43.2 «NP V»: agent=Theme |

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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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