Anchor: a man wearing a yellow bike helmet walking his yellow bike along a sidewalk
Entailed: The man is walking his bike.
Contradiction: The man is wearing a blue helmet.
Contradiction: Everyone is happy to pay taxes.
Contradiction: The dealer was asking for $220 to put it in.
Contradiction: MLB's contract for the same period takes in about $19 billion. 
Contradiction: Admirably, he thought.