Assertion: soap opera | /r/CapableOf | transition by early 1970s
Facets:
value: to make the switch
type: PURPOSE
Source sentences:
text: By the early 1970s, nearly all soap operas had transitioned to being taped.
text: By the early 1970s, nearly all soap operas had transitioned to being taped, with As the World Turns and The Edge of Night being the last to make the switch in 1975.