Assertion: seat belt | /r/CapableOf | become common
Facets:
value: by 1940s
type: TEMPORAL
value: by the 1930s
type: TEMPORAL
value: in airplanes
type: LOCATION
Source sentences:
text: Seat belts became common in airplanes by the 1930s and 1940s, though even in 1947 there was pushback from the airline industry.