Exam question 1 · Big snakes: pythons, boas and anacondas, and how big they…

Identify the species of snake that is the longest on the basis of reliable measurements.

Mova's choice: option 3 · The right answer: option 2 · wrong ✗ · Who acts: you, snake · What happens: identify, be · To what, where: species, longest basis

This is exam question 1 of lesson 321 «Big snakes: pythons, boas and anacondas, and how big they really get» of the biology 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.

The question

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Identify	identify	VERB	Mood=Imp VerbForm=Fin	root	root
2	the	the	DET	Definite=Def PronType=Art	3 species	det
3	species	species	NOUN	Number=Plur	1 Identify	obj
4	of	of	ADP	_	5 snake	case
5	snake	snake	NOUN	Number=Sing	3 species	nmod
6	that	that	PRON	PronType=Rel	12 basis	nsubj
7	is	be	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	12 basis	cop
8	the	the	DET	Definite=Def PronType=Art	12 basis	det
9	longest	long	ADJ	Degree=Sup	12 basis	amod
10	on	on	ADP	_	12 basis	case
11	the	the	DET	Definite=Def PronType=Art	12 basis	det
12	basis	basis	NOUN	Number=Sing	5 snake	acl:relcl
13	of	of	ADP	_	15 measurements	case
14	reliable	reliable	ADJ	Degree=Pos	15 measurements	amod
15	measurements	measurement	NOUN	Number=Plur	12 basis	nmod
16	.	.	PUNCT	_	1 Identify	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	identify	imperative	you not said here	the species of snake					vn characterize-29.2-1-1 «NP V NP S_ING»: agent=Agent species=Theme
2	is	present	snake			the longest basis		of reliable measurements	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 king cobra, reliably measured at approximately ten metres

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 cobra	det
2	king	king	NOUN	Number=Sing	3 cobra	compound
3	cobra	cobra	NOUN	Number=Sing	root	root
4	,	,	PUNCT	_	6 measured	punct
5	reliably	reliably	ADV	_	6 measured	advmod
6	measured	measure	VERB	Tense=Past VerbForm=Part Voice=Pass	3 cobra	acl
7	at	at	ADP	_	10 metres	case
8	approximately	approximately	ADV	_	9 ten	advmod
9	ten	ten	NUM	NumForm=Word NumType=Card	10 metres	nummod
10	metres	metre	NOUN	Number=Plur	6 measured	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	measure	participle		the king cobra not said here		ten metres		reliably property	vn register-54.1-2-1 «NP V NP PP.value»: agent=Agent at metre=Value

Option 2 · ✓ the right answer

The reticulated python, reliably measured at approximately seven metres

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 python	det
2	reticulated	reticulated	ADJ	Degree=Pos	3 python	amod
3	python	python	NOUN	Number=Sing	root	root
4	,	,	PUNCT	_	6 measured	punct
5	reliably	reliably	ADV	_	6 measured	advmod
6	measured	measure	VERB	Tense=Past VerbForm=Part Voice=Pass	3 python	acl
7	at	at	ADP	_	10 metres	case
8	approximately	approximately	ADV	_	9 seven	advmod
9	seven	seven	NUM	NumForm=Word NumType=Card	10 metres	nummod
10	metres	metre	NOUN	Number=Plur	6 measured	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	measure	participle		the reticulated python not said here		seven metres		reliably property	vn register-54.1-2-1 «NP V NP PP.value»: agent=Agent at metre=Value

Option 3 · ← Mova's choice

The green anaconda, reliably measured at approximately fifteen metres

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 anaconda	det
2	green	green	ADJ	Degree=Pos	3 anaconda	amod
3	anaconda	anaconda	NOUN	Number=Sing	root	root
4	,	,	PUNCT	_	6 measured	punct
5	reliably	reliably	ADV	_	6 measured	advmod
6	measured	measure	VERB	Tense=Past VerbForm=Part Voice=Pass	3 anaconda	acl
7	at	at	ADP	_	10 metres	case
8	approximately	approximately	ADV	_	9 fifteen	advmod
9	fifteen	fifteen	NUM	NumForm=Word NumType=Card	10 metres	nummod
10	metres	metre	NOUN	Number=Plur	6 measured	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	measure	participle		the green anaconda not said here		fifteen metres		reliably property	vn register-54.1-2-1 «NP V NP PP.value»: agent=Agent at metre=Value

Option 4

The black mamba, reliably measured at approximately nine metres

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	3 mamba	det
2	black	black	ADJ	Degree=Pos	3 mamba	amod
3	mamba	mamba	NOUN	Number=Sing	root	root
4	,	,	PUNCT	_	6 measured	punct
5	reliably	reliably	ADV	_	6 measured	advmod
6	measured	measure	VERB	Tense=Past VerbForm=Part Voice=Pass	3 mamba	acl
7	at	at	ADP	_	10 metres	case
8	approximately	approximately	ADV	_	9 nine	advmod
9	nine	nine	NUM	NumForm=Word NumType=Card	10 metres	nummod
10	metres	metre	NOUN	Number=Plur	6 measured	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	measure	participle		the black mamba not said here		nine metres		reliably property	vn register-54.1-2-1 «NP V NP PP.value»: agent=Agent at metre=Value

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/321-big-snakes-pythons-boas-and-anacondas-and-how-big-they-really-get/e1/