Anchor: Three men sit, and one man stands, on the back of a vehicle.
Entailed: There are four people in the back of a vehicle.
Contradiction: Three men stand, and one man sits, on the back of a vehicle
Contradiction: The elderly person is wearing blue.
Contradiction: There's a difference between if you did or didn't serve and how you served.
Contradiction: The snowboarder is flying down the mountain.
Contradiction: Two people lead a cow-pulled cart.