Anchor: A man playing a guitar on stage while a man plays drums in the background.
Entailed: The men are playing music for an audience.
Contradiction: The men scream as the roller coaster blazes down the hill.
Contradiction: Two men have a wing eating contest in front of a crowd of onlookers.
Contradiction: A man playing a guitar on stage, singing in an alien language.
Contradiction: Both men are playing guitar.
Contradiction: The guitar player is standing on the drummer' shoulders while playing.