Assertion: electric space heater | /r/Causes | an average of 3,000 fires
Facets:
value: because of improper use
type: CAUSE
value: each year
type: TEMPORAL
value: in the u.s.
type: LOCATION
Source sentences:
text: Electric space heaters cause an average of 3,000 fires each year in the U.S., often because of improper use, according to the National Fire Protection Association.