Anchor: Two dogs, one brown, one gray play while a person in jeans stand nearby.
Entailed: The owner of two dark dogs are wearing jeans.
Contradiction: A cat is sitting in the porch.
Contradiction: I didn't put too much thought into it. 
Contradiction: A girl is riding a red bicycle.
Contradiction: The tomb of Dante is one mile from the church of San Francesco.
Contradiction: The women are having a conversation.