Anchor: A man sings and plays guitar while another man sits at a table with a bottle of water.
Entailed: A musician is performing while another man watches.
Contradiction: Chopin is composing an etude.
Contradiction: I'm going to keep perservering. 
Contradiction: This was the winter that wasn't.
Contradiction: A brunette woman is standing in a pool
Contradiction: A boy in a green shirt.