Anchor: two fireman having a laugh
Entailed: Fireman having a laugh.
Contradiction: Fireman beating each other over the head with pillows.
Contradiction: A teenager eats fruit for a snack at grandpa's.
Contradiction: Outside on the stairs, a man and woman are chatting.
Contradiction: There is nothing we can do but to watch silently. 
Contradiction: A crowd of people walks through a town.