Assertion: recycling | /r/HasProperty | unheard
Facets:
value: almost
type: DEGREE
value: until early 1991
type: TEMPORAL
value: until the early 1990s
type: TEMPORAL
Source sentences:
text: Although consumer electronics such as the television have been popular since the 1920s, recycling of them was almost unheard of until early 1991.
text: Although consumer electronics such as the radio have been popular since the 1920s, recycling was almost unheard of until the early 1990s.
text: Although consumer electronics such as the television have been popular since the 1920s, recycling of them was almost unheard of until early 1991.