Anchor: The fisherman stands in water while looking at something small in his hands.
Entailed: A man is standing with an object in his hands.
Contradiction: The fisherman is sitting on the shore.
Contradiction: The study includes discussions about food concepts.
Contradiction: They are members of a political party.
Contradiction: The trade organization opened its doors in 1988. 
Contradiction: A case study that only involves a few instances is not a good one.