Anchor: A group of people enter a doorway next to a red sign reading "WELCOME Bikers".
Entailed: A group of people enter a doorway.
Contradiction: A people walking inside alone.
Contradiction: Congress never reviews the operations of the IRS.  
Contradiction: Two women gossip while waiting
Contradiction: The auditors determine if the entity is wrong.
Contradiction: A man is walking his dog on the beach.