Assertion: subwoofer | /r/CapableOf | become popular
Facets:
value: in pa systems
type: LOCATION
value: during the 1990s
type: TEMPORAL
value: in custom car audio installations
type: LOCATION
value: increasingly
type: DEGREE
value: to lovers of organ music
type: TRANSITIVE-OBJECT
value: in the 1970s
type: TEMPORAL
Source sentences:
text: During the 1990s, subwoofers also became increasingly popular in home stereo systems, custom car audio installations, and in PA systems.
text: During the 1990s, subwoofers also became increasingly popular in home stereo systems, custom car audio installations, and in PA systems.
text: When subwoofers first became popular to lovers of organ music in the 1970s, they were exotic and expensive.