Assertion: skateboarding | /r/HasProperty | a niche activity
Facets:
value: very much
type: DEGREE
value: in 1970s and 80s america
type: TEMPORAL
Source sentences:
text: Skateboarding was very much a niche activity in 1970s and 80s America, but Hawk - despite being picked on by classmates - was able to develop his skills rapidly.