Trains and the Underground, sentence 9

Because steel wheels roll so easily on steel rails, a fast train can need more than a kilometre to stop.

Who acts: steel wheels, fast train · What happens: roll, need, stop · To what, where: steel rails, more

This is a sentence of the lesson «Trains and the Underground» 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 (steel wheels, fast train), 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	Because	because	SCONJ	_	4 roll	mark
2	steel	steel	NOUN	Number=Sing	3 wheels	compound
3	wheels	wheel	NOUN	Number=Plur	4 roll	nsubj
4	roll	roll	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	15 need	advcl
5	so	so	ADV	_	6 easily	advmod
6	easily	easily	ADV	_	4 roll	advmod
7	on	on	ADP	_	9 rails	case
8	steel	steel	NOUN	Number=Sing	9 rails	compound
9	rails	rail	NOUN	Number=Plur	4 roll	obl
10	,	,	PUNCT	_	4 roll	punct
11	a	a	DET	Definite=Ind PronType=Art	13 train	det
12	fast	fast	ADJ	Degree=Pos	13 train	amod
13	train	train	NOUN	Number=Sing	15 need	nsubj
14	can	can	AUX	VerbForm=Fin	15 need	aux
15	need	need	VERB	VerbForm=Inf	root	root
16	more	more	ADJ	Degree=Cmp	15 need	obj
17	than	than	ADP	_	19 kilometre	case
18	a	a	DET	Definite=Ind PronType=Art	19 kilometre	det
19	kilometre	kilometre	NOUN	Number=Sing	15 need	obj
20	to	to	PART	_	21 stop	mark
21	stop	stop	VERB	VerbForm=Inf	19 kilometre	acl
22	.	.	PUNCT	_	15 need	punct

Pragmatics

form: statement
act: assert
voice: narrator
polarity: none
teacher: kept the draft

#	verb	tense, mood	who	what, whom	where	other	roles by
1	roll	present	steel wheels		steel rails	easily property	vn run-51.3.2-2 «NP V PP.location»: agent=Theme on rail=Trajectory
2	need	can	a fast train	more			tree rules
3	stop	to-infinitive	a fast train not said here				vn stop-55.4-1-1 «NP.eventuality V»: agent=Eventuality

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:021-trains-and-the-underground.lesson:9.

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 ×1. 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/21-trains-and-the-underground/9/