Anchor: a man playing the guitar on an elevated stage in front an audience.
Entailed: A man is on stage with a guitar.
Contradiction: A woman playing the guitar on an elevated stage in front of no one.
Contradiction: Beef is not featured on the menu. 
Contradiction: There are football players
Contradiction: The worst thing America has ever done was to say that we should kick him out of Kuwait. 
Contradiction: A man is cooking on a grill.