---
title: Ravi: "1900 wasn't a leap year but 2000 was? That's just mean." What… — Leap years and 29 February birthdays · tree and pragmatics
description: Ravi: "1900 wasn't a leap year but 2000 was? That's just mean." What's the real reason? Test 3 · ★ of lesson 112 «Leap years and 29 February birthdays» of the world 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 3 · ★ · Leap years and 29 February birthdays

<!-- .ven lang=en -->
Ravi: "1900 wasn't a leap year but 2000 was? That's just mean." What's the real reason?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **Who acts:** Ravi, That, real reason · **What happens:** not be, be · **To what, where:** leap year

<!-- .vabout -->
This is test 3 · ★ of lesson 112 «Leap years and 29 February birthdays» 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/112-leap-years-and-29-february-birthdays/#t3).

## The question {#question}

<!-- .note -->
*Sentence 1:* Ravi: "1900 wasn't a leap year but 2000 was?

```conllu
# sent_id = question:world:112-leap-years-and-29-february-birthdays:t3:1
# text = Ravi: "1900 wasn't a leap year but 2000 was?
1	Ravi	Ravi	PROPN	NNP	Number=Sing	9	nsubj	_	SpaceAfter=No
2	:	:	PUNCT	:	_	4	punct	_	_
3	"	"	PUNCT	``	_	4	punct	_	SpaceAfter=No
4	1900	1900	NUM	CD	NumForm=Digit|NumType=Card	1	appos	_	_
5	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	9	cop	_	SpaceAfter=No
6	n't	not	PART	RB	Polarity=Neg	9	advmod	_	_
7	a	a	DET	DT	Definite=Ind|PronType=Art	9	det	_	_
8	leap	leap	NOUN	NN	Number=Sing	9	compound	_	_
9	year	year	NOUN	NN	Number=Sing	0	root	_	_
10	but	but	CCONJ	CC	_	11	cc	_	_
11	2000	2000	NUM	CD	NumForm=Digit|NumType=Card	9	conj	_	_
12	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	9	cop	_	SpaceAfter=No
13	?	?	PUNCT	.	_	9	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **not** **is a** *in a quote* | past | Ravi | a leap year |  |  |  |  | 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:* That's just mean."

```conllu
# sent_id = question:world:112-leap-years-and-29-february-birthdays:t3:2
# text = That's just mean."
1	That	that	PRON	DT	Number=Sing|PronType=Dem	4	nsubj	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
3	just	just	ADV	RB	_	4	advmod	_	_
4	mean	mean	VERB	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	SpaceAfter=No
5	.	.	PUNCT	.	_	4	punct	_	SpaceAfter=No
6	"	"	PUNCT	''	_	4	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | That |  |  |  |  | mean *property* | tree rules |

<!-- .note -->
*Sentence 3:* What's the real reason?

```conllu
# sent_id = question:world:112-leap-years-and-29-february-birthdays:t3:3
# text = What's the real reason?
1	What	what	PRON	WP	PronType=Int	0	root	_	SpaceAfter=No
2	's	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	1	cop	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	real	real	ADJ	JJ	Degree=Pos	5	amod	_	_
5	reason	reason	NOUN	NN	Number=Sing	1	nsubj	_	SpaceAfter=No
6	?	?	PUNCT	.	_	1	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is a** | present | the real reason |  |  |  |  |  | tree rules |

## The options {#options}

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

<!-- .ven lang=en -->
The rule keeps the calendar matched to the Sun

```conllu
# sent_id = question:world:112-leap-years-and-29-february-birthdays:t3:o1:1
# text = The rule keeps the calendar matched to the Sun
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	rule	rule	NOUN	NN	Number=Sing	3	nsubj	_	_
3	keeps	keep	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
4	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
5	calendar	calendar	NOUN	NN	Number=Sing	6	nsubj	_	_
6	matched	match	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	ccomp	_	_
7	to	to	ADP	IN	_	9	case	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	Sun	Sun	PROPN	NNP	Number=Sing	6	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **keep** | present | the rule |  |  |  |  |  | tree rules |
| 2 | **match** | past | the calendar |  |  |  |  | to the Sun | vn amalgamate-22.2-1 «NP V ADVP-Middle»: agent=Patient |

### Option 2 {#o2}

<!-- .ven lang=en -->
2000 was special because of fireworks

```conllu
# sent_id = question:world:112-leap-years-and-29-february-birthdays:t3:o2:1
# text = 2000 was special because of fireworks
1	2000	2000	NUM	CD	NumForm=Digit|NumType=Card	3	nsubj	_	_
2	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	3	cop	_	_
3	special	special	ADJ	JJ	Degree=Pos	0	root	_	_
4	because	because	ADP	IN	ExtPos=ADP	6	case	_	_
5	of	of	ADP	IN	_	4	fixed	_	_
6	fireworks	firework	NOUN	NNS	Number=Plur	3	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | past | 2000 |  |  |  |  | because fireworks; special *property* | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
The rule was invented in 1950

```conllu
# sent_id = question:world:112-leap-years-and-29-february-birthdays:t3:o3:1
# text = The rule was invented in 1950
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	rule	rule	NOUN	NN	Number=Sing	4	nsubj:pass	_	_
3	was	be	AUX	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	4	aux:pass	_	_
4	invented	invent	VERB	VBN	Tense=Past|VerbForm=Part|Voice=Pass	0	root	_	_
5	in	in	ADP	IN	_	6	case	_	_
6	1950	1950	NUM	CD	NumForm=Digit|NumType=Card	4	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **invent** | past · passive |  | the rule |  | 1950 |  |  | vn create-26.4-1 «NP V NP»: subject=Result |

### Option 4 {#o4}

<!-- .ven lang=en -->
Someone forgot about 1900 by mistake

```conllu
# sent_id = question:world:112-leap-years-and-29-february-birthdays:t3:o4:1
# text = Someone forgot about 1900 by mistake
1	Someone	someone	PRON	NN	Number=Sing|PronType=Ind	2	nsubj	_	_
2	forgot	forget	VERB	VBD	Mood=Ind|Number=Sing|Person=3|Tense=Past|VerbForm=Fin	0	root	_	_
3	about	about	ADV	RB	_	4	advmod	_	_
4	1900	1900	NUM	CD	NumForm=Digit|NumType=Card	2	obj	_	_
5	by	by	ADP	IN	_	6	case	_	_
6	mistake	mistake	NOUN	NN	Number=Sing	2	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **forget about** | past | Someone | 1900 |  |  |  | by mistake | 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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