Assertion: hip hop's album | /r/CapableOf | play key role
Facets:
value: in hip hop's mainstream emergence
type: TEMPORAL
value: in 1990
type: TEMPORAL
Source sentences:
text: The album played a key role in hip hop's mainstream emergence in 1990, dubbed by Billboard editor Paul Grein as "the year that rap exploded".
text: The album played a key role in hip hop's mainstream emergence in 1990, dubbed by Billboard editor Paul Grein as "the year that rap exploded".