Anchor: Continue uphill to the fortress, which is, in fact, two castles.
Entailed: There is a fortress if you keep going up the hill. 
Contradiction: The fortress up the hill is actually made out of two castles. 
Contradiction: A dog is lying on the bed.
Contradiction: When you walked in there was usually no line.
Contradiction: The baseball player is the pitcher.
Contradiction: a car goes quickly past a blurry audience