Anchor: Group of boys playing basketball.
Entailed: Boys are outside on the court.
Contradiction: The girls are skating on the court.
Contradiction: Three students present their project in front of a group of bears.
Contradiction: It is possible for something to be both counterintuitive and exciting. 
Contradiction: The ninjas are fighting in the movie.
Contradiction: Non-English speakers are the fastest growing group of clients.