Assertion: punk | /r/CapableOf | provide fertile testing ground
Facets:
value: for the idea
type: PURPOSE
Source sentences:
text: Punk rock provides a fertile testing ground for the idea that art and identity are (often) irreversibly intertwined, and thus a full understanding of (at least some) musical genres is impossible without an accompanying story about social identity formation (including fashion, politics, and lifestyle) within the subculture.