Anchor: A man is performing in the street playing two instruments at the same time.
Entailed: The guy is in the street performing as a one man band.
Contradiction: The  man is near a street watching a performer.
Contradiction: A man plays the ukelele
Contradiction: More than five hundred thousand cars a day drive on Highway 101.
Contradiction: Two boys are playing video games in the living room.
Contradiction: Someone is getting a haircut.