Assertion: power ballad | /r/CapableOf | come into existence
Facets:
value: in the early 1970s
type: TEMPORAL
value: according to charles aaron
type: OTHER
Source sentences:
text: According to Charles Aaron, power ballads came into existence in the early 1970s, when rock stars attempted to convey profound messages to audiences.
text: According to Charles Aaron, power ballads came into existence in the early 1970s, when rock stars attempted to convey profound messages to audiences.
text: According to Charles Aaron, power ballads came into existence in the early 1970s, when rock stars attempted to convey profound messages to audiences.
text: According to Charles Aaron, power ballads came into existence in the early 1970s, when rock stars attempted to convey profound messages to audiences.