Test 9 · ★★★ · Being a scientist — fair tests, guesses and evidence

Why does a scientist keep a control group in a medicine test?

Mova's choice: option 3 · The right answer: option 3 · right ✓ · Who acts: scientist · What happens: keep · To what, where: control group, medicine test

This is test 9 · ★★★ of lesson 91 «Being a scientist — fair tests, guesses and evidence» 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	5 keep	advmod
2	does	do	AUX	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	5 keep	aux
3	a	a	DET	Definite=Ind PronType=Art	4 scientist	det
4	scientist	scientist	NOUN	Number=Sing	5 keep	nsubj
5	keep	keep	VERB	VerbForm=Inf	root	root
6	a	a	DET	Definite=Ind PronType=Art	8 group	det
7	control	control	NOUN	Number=Sing	8 group	compound
8	group	group	NOUN	Number=Sing	5 keep	obj
9	in	in	ADP	_	12 test	case
10	a	a	DET	Definite=Ind PronType=Art	12 test	det
11	medicine	medicine	NOUN	Number=Sing	12 test	compound
12	test	test	NOUN	Number=Sing	5 keep	obl
13	?	?	PUNCT	_	5 keep	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	keep	present · do-support	a scientist	a control group		a medicine test			vn keep-15.2 «NP V NP PP.location»: agent=Agent group=Theme in test=Location

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

Because the medicine needs company

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Because	because	SCONJ	_	4 needs	mark
2	the	the	DET	Definite=Def PronType=Art	3 medicine	det
3	medicine	medicine	NOUN	Number=Sing	4 needs	nsubj
4	needs	need	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
5	company	company	NOUN	Number=Sing	4 needs	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	need	present	the medicine	company					vn want-32.1-1-1 «NP V NP ADV»: agent=Pivot company=Theme

Option 2

To make the test cheaper

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 make	mark
2	make	make	VERB	Mood=Imp VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	4 test	det
4	test	test	NOUN	Number=Sing	2 make	obj
5	cheaper	cheap	ADJ	Degree=Cmp	2 make	xcomp

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	make	to-infinitive		the test				cheap property	vn build-26.1-1 «NP.asset V NP»: agent=Asset test=Product

Option 3 · ← Mova's choice · ✓ the right answer

To see what would happen without the medicine

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 see	mark
2	see	see	VERB	Mood=Imp VerbForm=Fin	root	root
3	what	what	PRON	PronType=Int	5 happen	nsubj
4	would	would	AUX	VerbForm=Fin	5 happen	aux
5	happen	happen	VERB	VerbForm=Inf	2 see	ccomp
6	without	without	ADP	_	8 medicine	case
7	the	the	DET	Definite=Def PronType=Art	8 medicine	det
8	medicine	medicine	NOUN	Number=Sing	5 happen	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	see	to-infinitive							vn comprehend-87.2-1-1 «NP V how S_INF»: agent=Experiencer clause=Stimulus
2	happen	would						without the medicine	vn occur-48.3-1 «NP V»: agent=Theme

Option 4

To give the medicine to more and more people at once

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	To	to	PART	_	2 give	mark
2	give	give	VERB	Mood=Imp VerbForm=Fin	root	root
3	the	the	DET	Definite=Def PronType=Art	4 medicine	det
4	medicine	medicine	NOUN	Number=Sing	2 give	obj
5	to	to	ADP	_	9 people	case
6	more	more	ADJ	Degree=Cmp	9 people	amod
7	and	and	CCONJ	_	8 more	cc
8	more	more	ADJ	Degree=Cmp	6 more	conj
9	people	people	NOUN	Number=Plur	2 give	obl
10	at	at	ADP	_	11 once	case
11	once	once	ADV	NumForm=Word NumType=Mult	2 give	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	give	to-infinitive		the medicine	more people				vn give-13.1-1 «NP V NP PP.recipient PP.asset»: agent=Agent medicine=Theme to people=Recipient at once=Asset

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/world/91-being-a-scientist/t9/