Anchor: Two men one in yellow the other in black riding in a boat on a river, with a bucket and an oar visible.
Entailed: Two men in different-colored clothes are on a boat together.
Contradiction: There are two women in the boat together.
Contradiction: Two men are driving a fancy sports car.
Contradiction: The men are swimming in the river.
Contradiction: A group of boys swim in the water.
Contradiction: Two men are jogging by the riverside.