Assertion: corn | /r/HasProperty | harvested by hand
Facets:
value: before world war ii
type: TEMPORAL
value: before wwii
type: TEMPORAL
Source sentences:
text: Before World War II, most maize in North America was harvested by hand.
text: Before WWII, most corn was harvested by hand.
text: Before about World War II, most maize in North America was harvested by hand (as it still is in most of the other countries where it is grown).