Anchor: A scientist in a lab points to a computer screen while one of his co-workers looks on.
Entailed: A scientist is operates a computer and other worker is watching
Contradiction: Two men are swimming in a dark sea
Contradiction: The boy is riding a bicycle.
Contradiction: Costa Rica is one of the most prosperous and peaceful countries in Central America. 
Contradiction: I am going to leave out Lemann's discussion from everything.
Contradiction: A young person is playing baseball.