Anchor: a brown dog with a brown collar digging in the sand
Entailed: A dog digs in the sand.
Contradiction: A dog digs in the blankets.
Contradiction: A young boy is waiting in line at the pool.
Contradiction: The boy is outdoors.
Contradiction: A platoon of guards. 
Contradiction: All of us are capable of making up our own Steve Martin gag concerning Reagan's budget policy.