Anchor: The fan is spinning.
Entailed: There is a cooling unit in motion.
Contradiction: The fan is still.
Contradiction: The fan is broken./
Contradiction: The fan is incapable of cooling the room with it's underpowered motor and inefficient blade design.
Contradiction: The fan is broken and stationary.
Contradiction: The Irish Tourist Board headquarters are far away from Baggot Street Bridge.