Anchor: The Crusades were launched to prepare for the Revelation
Entailed: Actions were taken in preparation for the Revelation. 
Contradiction: The Crusades were in response to the Revelation. 
Contradiction: The two men are planning a trip to the ballet.
Contradiction: The celebration is probably in an African city.
Contradiction: A man desecrates a grave.
Contradiction: The boys are looking at the tents.