Anchor: This leaves a whole island to explore on foot, or by 4-wheel-drive vehicle.
Entailed: One can use a 4-wheel-drive vehicle to navigate the island, or go by foot.
Contradiction: The island is inaccessible by any vehicles and can only be navigated by foot.
Contradiction: The man is operating the crane.
Contradiction: A woman sits behind a table.
Contradiction: Two men are scuba diving.
Contradiction: the bvoy was dressed as a cowboy