Assertion: traffic jam | /r/HasProperty | major contributor
Facets:
value: generally
type: DEGREE
value: to smog
type: TRANSITIVE-OBJECT
value: to most countries
type: LOCATION
value: to poor air quality
type: TRANSITIVE-OBJECT
Source sentences:
text: Traffic jams in urban areas are a major contributor to smog and poor air quality.
text: Abstract: Generally, traffic jam is considered a major challenge to most countries.