Anchor: Pumpkin vines climb over rooftops.
Entailed: The rooftops are covered in pumpkin vines.
Contradiction: The pumpkin vines don't grow near the rooftops.
Contradiction: Two brothers and their wives wait for the train.
Contradiction: A man steering a bike.
Contradiction: The police truck is racing on the street.
Contradiction: Canton's trade with the Middle East caused it to have a significant Muslim population.