Anchor: One guy is trying to make a base and the other is throwing a ball.
Entailed: Two guys playing baseball
Contradiction: Two guys at a soccer match having fun.
Contradiction: Keeping the team as individuals working on their own products allows the team to provide the absolute most efficient and best care for a patient. 
Contradiction: Bertha had been a big fan of astrology.
Contradiction: They were bored with the picture house.
Contradiction: There is more than one tennis player.