Assertion: moped | /r/CapableOf | become popular
Facets:
value: because of the problems
type: CAUSE
value: quickly
type: MANNER
value: with owning one
type: OTHER
Source sentences:
text: Because of the problems caused by the 1970s energy crisis, mopeds quickly became popular, with more than 250,000 people in the United States owning one in 1977.