Anchor: A man is running and a girl is riding a bike.
Entailed: A man is running while a girl rides a bike.
Contradiction: A man is pushing a girl on a bike.
Contradiction: Crete was on the outskirts of this ancient civilization. 
Contradiction: Miss Vandemeyer is not married.
Contradiction: Four workers are working on the outside of a house
Contradiction: A boy is inside a building.