Test 4 · Extinct forever: the dodo, the passenger pigeon, the thyla…

«my cousin saw a Tasmanian tiger in the bush last year, so they're not extinct» What is the best answer?

Mova's choice: option 2 · The right answer: option 1 · wrong ✗ · Who acts: cousin, they, best answer · What happens: see, not be, be · To what, where: Tasmanian tiger, bush · Speech: someone speaks here

This is test 4 of lesson 281 «Extinct forever: the dodo, the passenger pigeon, the thylacine and more» of the biology 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.

The question

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	«	«	PUNCT	_	4 saw	punct
2	my	my	PRON	Case=Gen Number=Sing Person=1 Poss=Yes PronType=Prs	3 cousin	nmod:poss
3	cousin	cousin	NOUN	Number=Sing	4 saw	nsubj
4	saw	see	VERB	Mood=Ind Number=Sing Person=3 Tense=Past VerbForm=Fin	root	root
5	a	a	DET	Definite=Ind PronType=Art	7 tiger	det
6	Tasmanian	tasmanian	ADJ	Degree=Pos	7 tiger	amod
7	tiger	tiger	NOUN	Number=Sing	4 saw	obj
8	in	in	ADP	_	10 bush	case
9	the	the	DET	Definite=Def PronType=Art	10 bush	det
10	bush	bush	NOUN	Number=Sing	4 saw	obl
11	last	last	ADJ	Degree=Pos	12 year	amod
12	year	year	NOUN	Number=Sing	10 bush	nmod:unmarked
13	,	,	PUNCT	_	18 extinct	punct
14	so	so	ADV	_	18 extinct	advmod
15	they	they	PRON	Case=Nom Number=Plur Person=3 PronType=Prs	18 extinct	nsubj
16	're	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	18 extinct	cop
17	not	not	PART	Polarity=Neg	18 extinct	advmod
18	extinct	extinct	ADJ	Degree=Pos	4 saw	conj
19	»	»	PUNCT	_	18 extinct	punct
20	What	what	PRON	PronType=Int	4 saw	parataxis
21	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	20 What	cop
22	the	the	DET	Definite=Def PronType=Art	24 answer	det
23	best	good	ADJ	Degree=Sup	24 answer	amod
24	answer	answer	NOUN	Number=Sing	20 What	nsubj
25	?	?	PUNCT	_	4 saw	punct

#	verb	tense, mood	who	what, whom	where	other	roles by
1	see in a quote	past	my cousin	a Tasmanian tiger	the bush last year		tree rules
2	not is in a quote	present	they			extinct property	tree rules
3	is a	present	the best answer				tree rules

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

Option 1 · ✓ the right answer

Many sightings are reported, but none have been proven

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Many	many	ADJ	Degree=Pos	2 sightings	amod
2	sightings	sighting	NOUN	Number=Plur	4 reported	nsubj:pass
3	are	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 reported	aux:pass
4	reported	report	VERB	Tense=Past VerbForm=Part Voice=Pass	root	root
5	,	,	PUNCT	_	10 proven	punct
6	but	but	CCONJ	_	10 proven	cc
7	none	none	PRON	PronType=Neg	10 proven	nsubj:pass
8	have	have	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	10 proven	aux
9	been	be	AUX	Tense=Past VerbForm=Part	10 proven	aux:pass
10	proven	prove	VERB	Tense=Past VerbForm=Part Voice=Pass	4 reported	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	report	present · passive		Many sightings					vn prosecute-33.2 «NP V NP»: subject=Patient
2	prove	present · perfect · passive		none					vn deduce-97.2 «NP V NP»: subject=Theme

Option 2 · ← Mova's choice

No, Tasmanian tigers were never real

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	No	no	INTJ	Polarity=Neg	3 Tasmanian	discourse
2	,	,	PUNCT	_	1 No	punct
3	Tasmanian	tasmanian	ADJ	Degree=Pos	4 tigers	amod
4	tigers	tiger	NOUN	Number=Plur	7 real	nsubj
5	were	be	AUX	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	7 real	cop
6	never	never	ADV	PronType=Neg	7 real	advmod
7	real	real	ADJ	Degree=Pos	root	root

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	not is	past	Tasmanian tigers					real property	tree rules

Option 3

Yes, there are thousands of them

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	4 are	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	there	there	PRON	PronType=Dem	4 are	expl
4	are	be	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	root	root
5	thousands	thousand	NOUN	Number=Plur	4 are	nsubj
6	of	of	ADP	_	7 them	case
7	them	they	PRON	Case=Acc Number=Plur Person=3 PronType=Prs	5 thousands	nmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	does	present	thousands of them			there			vn exist-47.1 «NP V»: agent=Theme

Option 4

Yes, so it is certainly alive and well in the deep bush

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Yes	yes	INTJ	Polarity=Pos	7 alive	discourse
2	,	,	PUNCT	_	1 Yes	punct
3	so	so	ADV	_	7 alive	advmod
4	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	7 alive	nsubj
5	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	7 alive	cop
6	certainly	certainly	ADV	_	7 alive	advmod
7	alive	alive	ADJ	Degree=Pos	root	root
8	and	and	CCONJ	_	13 bush	cc
9	well	well	ADV	Degree=Pos	13 bush	advmod
10	in	in	ADP	_	13 bush	case
11	the	the	DET	Definite=Def PronType=Art	13 bush	det
12	deep	deep	ADJ	Degree=Pos	13 bush	amod
13	bush	bush	NOUN	Number=Sing	7 alive	conj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	is	present	it					alive, certainly property	tree rules

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.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/questions/biology/281-extinct-forever-the-dodo-the-passenger-pigeon-the-thylacine-and-more/t4/