Anchor: He's there working in the dark, silently, unobtrusively.
Entailed: He is working quietly in the dark without drawing attention.
Contradiction: He is sending his goons to take action publicly.
Contradiction: The pro bono effort has been growing strong since its inception.
Contradiction: A child is in the water.
Contradiction: A man is playing basketball with his son.
Contradiction: The person has a skateboard.