Test 4 · Coasts and caves

A groyne, a low wooden wall across a beach, traps sand on one side only. Why?

Mova's choice: option 1 · The right answer: option 1 · right ✓ · Who acts: groyne · What happens: trap · To what, where: sand, one side

This is test 4 of lesson 55 «Coasts and caves» of the geography 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

Sentence 1: A groyne, a low wooden wall across a beach, traps sand on one side only.

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	A	a	DET	Definite=Ind PronType=Art	2 groyne	det
2	groyne	groyne	NOUN	Number=Sing	12 traps	nsubj
3	,	,	PUNCT	_	7 wall	punct
4	a	a	DET	Definite=Ind PronType=Art	7 wall	det
5	low	low	ADJ	Degree=Pos	7 wall	amod
6	wooden	wooden	ADJ	Degree=Pos	7 wall	amod
7	wall	wall	NOUN	Number=Sing	2 groyne	nmod
8	across	across	ADP	_	10 beach	case
9	a	a	DET	Definite=Ind PronType=Art	10 beach	det
10	beach	beach	NOUN	Number=Sing	7 wall	nmod
11	,	,	PUNCT	_	2 groyne	punct
12	traps	trap	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
13	sand	sand	NOUN	Number=Sing	12 traps	obj
14	on	on	ADP	_	16 side	case
15	one	one	NUM	NumForm=Word NumType=Card	16 side	nummod
16	side	side	NOUN	Number=Sing	12 traps	obl
17	only	only	ADV	_	16 side	advmod
18	.	.	PUNCT	_	12 traps	punct

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	trap	present	a groyne a low wooden wall across a beach	sand		one side			vn pocket-9.10 «NP V NP PP.destination»: agent=Agent sand=Theme on side=Destination

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.

Sentence 2: Why?

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Why	why	ADV	PronType=Int	root	root
2	?	?	PUNCT	_	1 Why	punct

The frames reader finds no event or fact in this sentence.

The options

Option 1 · ← Mova's choice · ✓ the right answer

Longshore drift moves sand along the beach and the wall stops it

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Longshore	longshore	ADJ	Degree=Pos	2 drift	amod
2	drift	drift	NOUN	Number=Sing	3 moves	nsubj
3	moves	move	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	sand	sand	NOUN	Number=Sing	3 moves	obj
5	along	along	ADP	_	7 beach	case
6	the	the	DET	Definite=Def PronType=Art	7 beach	det
7	beach	beach	NOUN	Number=Sing	3 moves	obl
8	and	and	CCONJ	_	11 stops	cc
9	the	the	DET	Definite=Def PronType=Art	10 wall	det
10	wall	wall	NOUN	Number=Sing	11 stops	nsubj
11	stops	stop	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	3 moves	conj
12	it	it	PRON	Case=Acc Gender=Neut Number=Sing Person=3 PronType=Prs	11 stops	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	move	present	Longshore drift	sand		the beach			vn roll-51.3.1 «NP V NP PP.trajectory»: agent=Agent sand=Theme along beach=Trajectory
2	stop	present	the wall	sand					vn stop-55.4-1-1 «NP V NP.eventuality»: agent=Subeventuality it=Eventuality

Option 2

The tide pushes sand inland only

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 tide	det
2	tide	tide	NOUN	Number=Sing	3 pushes	nsubj
3	pushes	push	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	sand	sand	NOUN	Number=Sing	3 pushes	obj
5	inland	inland	ADV	_	3 pushes	advmod
6	only	only	ADV	_	3 pushes	advmod

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	push	present	the tide	sand				inland property	vn carry-11.4-1-1 «NP V NP»: agent=Agent sand=Theme

Option 3

The wall attracts sand like a magnet, but only on the side facing the sea

The tree, 15 words

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	The	the	DET	Definite=Def PronType=Art	2 wall	det
2	wall	wall	NOUN	Number=Sing	3 attracts	nsubj
3	attracts	attract	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	sand	sand	NOUN	Number=Sing	3 attracts	obj
5	like	like	ADP	_	7 magnet	case
6	a	a	DET	Definite=Ind PronType=Art	7 magnet	det
7	magnet	magnet	NOUN	Number=Sing	3 attracts	obl
8	,	,	PUNCT	_	13 side	punct
9	but	but	CCONJ	_	13 side	cc
10	only	only	ADV	_	13 side	advmod
11	on	on	ADP	_	13 side	case
12	the	the	DET	Definite=Def PronType=Art	13 side	det
13	side	side	NOUN	Number=Sing	3 attracts	obl
14	facing	face	VERB	VerbForm=Ger	13 side	acl
15	the	the	DET	Definite=Def PronType=Art	16 sea	det
16	sea	sea	NOUN	Number=Sing	14 facing	obj

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	attract	present	the wall	sand		the side		like a magnet	vn lure-59.3 «NP V NP»: agent=Agent sand=Patient
2	face	gerund	the side not said here	the sea					vn fill-9.8-1 «NP V NP»: agent=Theme sea=Destination

Option 4

Sand only lands on the sunny side

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	Sand	sand	NOUN	Number=Sing	3 lands	nsubj
2	only	only	ADV	_	3 lands	advmod
3	lands	land	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
4	on	on	ADP	_	7 side	case
5	the	the	DET	Definite=Def PronType=Art	7 side	det
6	sunny	sunny	ADJ	Degree=Pos	7 side	amod
7	side	side	NOUN	Number=Sing	3 lands	obl

#	verb	tense, mood	who	what, whom	to whom	where	when	other	roles by
1	land	present	Sand			the sunny side			vn pocket-9.10-1 «NP V PP.destination»: agent=Theme on side=Destination

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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