Anchor: A person is being pulled by watercraft across the gleaming water.
Entailed: A person is pulled by a watercraft across the water
Contradiction: A person rides in a watercraft across the lake.
Contradiction: Remsad cannot estimate anything at all. 
Contradiction: A boy is laying on the ground.
Contradiction: An elephant is surfing in the water with two men.
Contradiction: There is a huge bubble overhead.