Anchor: Competitive swimmers coming up for air at the same time, mid-stroke.
Entailed: A bunch of swimmers are inhaling oxygen right above the waterline.
Contradiction: Swimmers driving a tractor into the water while smiling at a crowd.
Contradiction: Two couples are drinking a lemonade.
Contradiction: Near the edge.
Contradiction: The counterparts did not play along.
Contradiction: a persons jumps