Anchor: It would have been wiser to install a more high-powered model, but that would have meant a trip to some outpost of civilization; lost time; perhaps a lost secret.
Entailed: A high powered model would have been good to use.
Contradiction: They already had a high powered model with them.
Contradiction: Financial and consolidated reports contain only tax information.
Contradiction: Without any other buildings around them, the restored churches seem like artifacts on display in a museum.
Contradiction: The weapon was indestructible. 
Contradiction: A man is playing an instrument.