Assertion: peanut butter | /r/HasProperty | introduced at the st. louis world’s fair
Facets:
value: in 1904
type: TEMPORAL
Source sentences:
text: Peanut butter was first introduced at the St. Louis World’s Fair in 1904 and became a source of delicious protein during the first two world wars.
text: Peanut butter was first introduced at the St. Louis World’s Fair in 1904.