Anchor: (Any one of a number of persons could have done a good job with the Harlem Renaissance.)
Entailed: Many people could have done a good job with the Harlem Renaissance.
Contradiction: Nobody could have done a good job with it.
Contradiction: The people are running in a marathon.
Contradiction: The knife pierced Dave's chest.
Contradiction: The woman is sitting at her computer.
Contradiction: Jon could feel his heart skip a beat out of fear.