Anchor: In a crowd of young people at a bar, a man stands displaying the rock and roll sign.
Entailed: A man is in a crowd of people at a bar.
Contradiction: A man is eating by himself.
Contradiction: Performance objectives cannot be critical nor noncritical. 
Contradiction: A woman stands in the middle of cameras.
Contradiction: The dog is playing with a red ball.
Contradiction: Two women are walking together.