Anchor: The bride's side of a wedding party.
Entailed: There is a wedding between a bride and a groom.
Contradiction: the brides side are doing a drive-bye
Contradiction: A cat running in the city.
Contradiction: A man using his cellphone.
Contradiction: The bird is flying in the air.
Contradiction: By identifying control and comparison groups, we can rule out other explanations and settle on firm attribution.