Anchor: A group of elderly people playing a game of checkers, in a very poor area.
Entailed: People are playing checkers.
Contradiction: A group of old men are playing checkers in a very rich area.
Contradiction: The elderly people were rowing a boat at the local park.
Contradiction: The astronaut is testing a fusion powered rocket.
Contradiction: A group of babies are screaming at each other.
Contradiction: Group of elderly people sleeping