Test 6 · ★★ · Mixtures and how to separate them

Why do people let muddy water stand for a while before pouring it off carefully?

Mova's choice: option 1 · The right answer: option 4 · wrong ✗ · Who acts: people · What happens: let, pour off · To what, where: muddy water stand, stand

This is test 6 · ★★ of lesson 19 «Mixtures and how to separate them» 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.

The question

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	4 let	advmod
2	do	do	AUX	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	4 let	aux
3	people	people	NOUN	Number=Plur	4 let	nsubj
4	let	let	VERB	VerbForm=Inf	root	root
5	muddy	muddy	ADJ	Degree=Pos	7 stand	amod
6	water	water	NOUN	Number=Sing	7 stand	compound
7	stand	stand	NOUN	Number=Sing	4 let	obj
8	for	for	ADP	_	10 while	case
9	a	a	DET	Definite=Ind PronType=Art	10 while	det
10	while	while	NOUN	Number=Sing	4 let	obl
11	before	before	SCONJ	_	12 pouring	mark
12	pouring	pour	VERB	VerbForm=Ger	4 let	advcl
13	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	12 pouring	obj
14	off	off	ADP	_	12 pouring	compound:prt
15	carefully	carefully	ADV	_	12 pouring	advmod
16	?	?	PUNCT	_	4 let	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	let	present · do-support	people	muddy water stand			while		vn give-13.1-1 «NP V NP»: agent=Agent stand=Theme
2	pour off	gerund	people not said here	stand				carefully property	vn preparing-26.3-2 «NP V NP»: agent=Agent it=Patient

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 · ← Mova's choice

Standing water kills all the germs

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Standing	stand	VERB	VerbForm=Ger	2 water	amod
2	water	water	NOUN	Number=Sing	3 kills	nsubj
3	kills	kill	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	all	all	DET	PronType=Tot	6 germs	det:predet
5	the	the	DET	Definite=Def PronType=Art	6 germs	det
6	germs	germ	NOUN	Number=Plur	3 kills	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	stand	gerund							vn assuming_position-50 «NP V»: agent=Agent
2	kill	present	Standing water	all germs					vn remove-10.1 «NP V NP»: agent=Agent germ=Theme

Option 2

The mud dissolves while it stands

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 mud	det
2	mud	mud	NOUN	Number=Sing	3 dissolves	nsubj
3	dissolves	dissolve	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	while	while	SCONJ	_	6 stands	mark
5	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	6 stands	nsubj
6	stands	stand	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 dissolves	advcl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	dissolve	present	the mud						vn break-45.1 «NP.patient V»: agent=Patient
2	stand	present	mud						vn assuming_position-50 «NP V»: agent=Agent

Option 3

The water cleans itself in the sunshine as it stands there

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 water	det
2	water	water	NOUN	Number=Sing	3 cleans	nsubj
3	cleans	clean	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	itself	itself	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs Reflex=Yes	3 cleans	obj
5	in	in	ADP	_	7 sunshine	case
6	the	the	DET	Definite=Def PronType=Art	7 sunshine	det
7	sunshine	sunshine	NOUN	Number=Sing	3 cleans	obl
8	as	as	SCONJ	_	10 stands	mark
9	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	10 stands	nsubj
10	stands	stand	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 cleans	advcl
11	there	there	ADV	PronType=Dem	10 stands	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	clean	present	the water	water		the sunshine			vn other_cos-45.4 «NP V NP.patient»: agent=Agent itself=Patient
2	stand	present	water			there			vn assuming_position-50 «NP V»: agent=Agent

Option 4 · ✓ the right answer

The mud settles, so clearer water can be poured off

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 mud	det
2	mud	mud	NOUN	Number=Sing	3 settles	nsubj
3	settles	settle	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	,	,	PUNCT	_	10 poured	punct
5	so	so	ADV	_	10 poured	advmod
6	clearer	clear	ADJ	Degree=Cmp	7 water	amod
7	water	water	NOUN	Number=Sing	10 poured	nsubj:pass
8	can	can	AUX	VerbForm=Fin	10 poured	aux
9	be	be	AUX	VerbForm=Inf	10 poured	aux:pass
10	poured	pour	VERB	Tense=Past VerbForm=Part Voice=Pass	3 settles	ccomp
11	off	off	ADP	_	10 poured	compound:prt

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	settle	present	the mud						tree rules
2	pour off	can · passive		clearer water					vn preparing-26.3-2 «NP V NP»: subject=Patient

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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