Anchor: A bull is tossing a rider off him while several other cowboys try to restrain it.
Entailed: Several cowboys are trying to keep a bull under control.
Contradiction: A cowboy is sitting calmly on top of the bull.
Contradiction: The man is doing a handstand.
Contradiction: My face was practically frozen off by the time I reached the building. 
Contradiction: A boy and two girls are swimming naked.
Contradiction: Two children are in the air while jumping in a pool.