Airports, the black box, helicopters and drones, sentence 6

If something ever goes wrong in the air, two tough recorders called the black box help investigators find out why, so that it never happens again.

Who acts: something, two tough recorders, it · What happens: go, call, find out, not happen · To what, where: air, black box · Speech: someone speaks here

This is a sentence of the lesson «Airports, the black box, helicopters and drones» of the technology course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (something, two tough recorders, it), what happens, when and where, as Mova's frames read it from the tree.

The tree

The words, one row each (CoNLL-U)

#	word	lemma	UPOS	features	head	relation
1	If	if	SCONJ	_	4 goes	mark
2	something	something	PRON	Number=Sing PronType=Ind	4 goes	nsubj
3	ever	ever	ADV	PronType=Ind	4 goes	advmod
4	goes	go	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	13 called	advcl
5	wrong	wrong	ADJ	Degree=Pos	4 goes	xcomp
6	in	in	ADP	_	8 air	case
7	the	the	DET	Definite=Def PronType=Art	8 air	det
8	air	air	NOUN	Number=Sing	4 goes	obl
9	,	,	PUNCT	_	4 goes	punct
10	two	two	NUM	NumForm=Word NumType=Card	12 recorders	nummod
11	tough	tough	ADJ	Degree=Pos	12 recorders	amod
12	recorders	recorder	NOUN	Number=Plur	13 called	nsubj
13	called	call	VERB	Mood=Ind Number=Plur Person=3 Tense=Past VerbForm=Fin	root	root
14	the	the	DET	Definite=Def PronType=Art	16 box	det
15	black	black	ADJ	Degree=Pos	16 box	amod
16	box	box	NOUN	Number=Sing	13 called	obj
17	help	help	NOUN	Number=Sing	18 investigators	compound
18	investigators	investigator	NOUN	Number=Plur	13 called	obj
19	find	find	VERB	VerbForm=Inf	17 help	xcomp
20	out	out	ADP	_	19 find	compound:prt
21	why	why	ADV	PronType=Int	19 find	advmod
22	,	,	PUNCT	_	27 happens	punct
23	so	so	SCONJ	_	27 happens	mark
24	that	that	SCONJ	_	27 happens	mark
25	it	it	PRON	Case=Nom Gender=Neut Number=Sing Person=3 PronType=Prs	27 happens	nsubj
26	never	never	ADV	PronType=Neg	27 happens	advmod
27	happens	happen	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	19 find	advcl
28	again	again	ADV	_	27 happens	advmod
29	.	.	PUNCT	_	13 called	punct

Pragmatics

form: statement
act: assert
voice: narrator
polarity: neg
teacher: changed act=assert

#	verb	tense, mood	who	what, whom	where	when	other	roles by
1	go a condition, not said to happen	present	something		the air	ever	wrong property	vn occur-48.3-2 «NP V PP»: agent=Theme in air=Location
2	call	past	two tough recorders	the black box				vn dub-29.3.2 «NP V NP NP»: agent=Agent box=Theme investigator=Result
3	find out	infinitive	two tough recorders not said here					vn learn-14-2-1 «NP V PP.topic»: agent=Agent
4	not happen	present	it			again		vn occur-48.3-1 «NP V»: agent=Theme

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.

Licence: CC BY-SA 4.0, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, mova-school-agreed-en.conllu) is part. The lessons were written for Mova's primary school. Sentence school:technology:023-airports-black-box-helicopters-drones.lesson:6.

The tree: Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×4, R7-rel-agree ×2. The frames are read from the tree by Mova's frames reader (prag) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the release 0.4.

This page in Markdown → https://md.mova.elamur.ai/free/en/corpora/school/technology/23-airports-black-box-helicopters-drones/6/