Assertion: tea bag | /r/HasProperty | available in the u.s.
Facets:
value: widely
type: DEGREE
value: by the 1920s
type: TEMPORAL
Source sentences:
text: They were widely available in the U.S. by the 1920s and didn't spread to the U.K. until 1953 when Tetley Tea launched the first tea bag for the U.K. market.