Anchor: Nelson also carried out what was in effect a coup d'etat at Rockefeller Center, forcing out the retainers loyal to his father so that he could take over himself.
Entailed: Nelson went through Rockefeller Center and got rid of anyone loyal to his father. 
Contradiction: Nelson gave anyone that he deemed loyal to his father a raise. 
Contradiction: A barbershop quartet performs on stage.
Contradiction: Three cats, two black one brown, are playing in a grass field.
Contradiction: I have never owned a ski boat before.
Contradiction: Two people standing.