Anchor: Two women smoke while walking the streets.
Entailed: There are women who are smoking outside.
Contradiction: Two non-smokers are kissing each other while walking the streets.
Contradiction: I hated dealing with the people who were schlepping around on Sunday morning.
Contradiction: No one accounts for me.
Contradiction: A football team plays in a stadium filled to capacity.
Contradiction: John was waiting for us to arrive.