Anchor: and consequently some of the very best students were had excellent memories
Entailed: Because of that, the students with excellent memories were some of the best students. 
Contradiction: The best students were the ones that couldn't remember anything at all. 
Contradiction: Elephants are being led around the desert.
Contradiction: A woman looks at her cellphone
Contradiction: The men are in a air balloon sailing over the atlantic
Contradiction: A woman holding the flag from her country.