Anchor: A man is waving as he is crossing the street.
Entailed: As he was crossing the street the man waved his hand.
Contradiction: The man can not let go of his walker for fear he will fall.
Contradiction: A adult swimming in a pool held up by an baby.
Contradiction: A man is playing soccer.
Contradiction: A bird is starting to fly.
Contradiction: There is a risk of purchasing conterfeit merchandise from dealers.