Smells that warn, sentence 2

Natural gas for cooking and heating has no smell of its own, so gas companies add a chemical that smells like rotten eggs, just so people notice a leak.

Who acts: Natural gas, gas companies, chemical, people · What happens: have, add, smell, notice · To what, where: smell, chemical, leak

This is a sentence of the lesson «Smells that warn» of the everyday 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 (Natural gas, gas companies, chemical, people), 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	Natural	natural	ADJ	Degree=Pos	2 gas	amod
2	gas	gas	NOUN	Number=Sing	7 has	nsubj
3	for	for	ADP	_	4 cooking	case
4	cooking	cooking	NOUN	Number=Sing	2 gas	nmod
5	and	and	CCONJ	_	6 heating	cc
6	heating	heating	NOUN	Number=Sing	4 cooking	conj
7	has	have	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	root	root
8	no	no	DET	PronType=Neg	9 smell	det
9	smell	smell	NOUN	Number=Sing	7 has	obj
10	of	of	ADP	_	12 own	case
11	its	its	PRON	Case=Gen Gender=Neut Number=Sing Person=3 Poss=Yes PronType=Prs	12 own	nmod:poss
12	own	own	ADJ	Degree=Pos	9 smell	nmod
13	,	,	PUNCT	_	7 has	punct
14	so	so	ADV	_	17 add	advmod
15	gas	gas	NOUN	Number=Sing	16 companies	compound
16	companies	company	NOUN	Number=Plur	17 add	nsubj
17	add	add	VERB	Mood=Ind Number=Plur Person=3 Tense=Pres VerbForm=Fin	7 has	parataxis
18	a	a	DET	Definite=Ind PronType=Art	19 chemical	det
19	chemical	chemical	NOUN	Number=Sing	17 add	obj
20	that	that	PRON	PronType=Rel	21 smells	nsubj
21	smells	smell	VERB	Mood=Ind Number=Sing Person=3 Tense=Pres VerbForm=Fin	19 chemical	acl:relcl
22	like	like	ADP	_	24 eggs	case
23	rotten	rotten	ADJ	Degree=Pos	24 eggs	amod
24	eggs	egg	NOUN	Number=Plur	21 smells	obl
25	,	,	PUNCT	_	29 notice	punct
26	just	just	ADV	_	29 notice	advmod
27	so	so	ADV	_	29 notice	advmod
28	people	people	NOUN	Number=Plur	29 notice	nsubj
29	notice	notice	VERB	VerbForm=Inf	17 add	conj
30	a	a	DET	Definite=Ind PronType=Art	31 leak	det
31	leak	leak	NOUN	Number=Sing	29 notice	obj
32	.	.	PUNCT	_	7 has	punct

Pragmatics

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

#	verb	tense, mood	who	what, whom	other	roles by
1	have	present	Natural gas for cooking and heating	no smell of smell's own		vn birth-28.2-1 «NP V NP»: agent=Agent smell=Patient
2	add speech: assert	present	gas companies	a chemical		vn mix-22.1-2 «NP V NP»: agent=Agent chemical=Patient
3	smell	present	a chemical		like rotten eggs	vn smell_emission-43.3 «NP V»: agent=Theme
4	notice	infinitive	people	a leak		vn see-30.1-1 «NP V S»: agent=Experiencer leak=Stimulus

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:everyday:013-smells-that-warn.lesson:2.

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): R1-cc-next ×1, R2-punct-next ×1, R5-strong ×1, R7-rel-agree ×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/everyday/13-smells-that-warn/2/