Anchor: A black dog and a brown dog are smelling each others noses.
Entailed: Two dogs smelling each others noses and they were black and brown color respectively
Contradiction: Dogs sleeping on the road side since it was raining
Contradiction: Mr. Casellas began his government service in 1977.
Contradiction: The lifeguards are outside.
Contradiction: They're very independent from us. 
Contradiction: It is a difficult question for sure.