Assertion: collards | /r/AtLocation | the united states
Facets:
value: by wanderers in 600
type: OTHER
Source sentences:
text: Collards were introduced to the United States by wanderers in 600 .B.C and it forms an integral part of South American staple diet since then.
text: Collards were introduced to the United States by wanderers in 600 .B.C and it forms an integral part of South American staple diet since then.