Anchor: A group of medical students dressed in blue scrubs, visitor sitting on the wall enjoy some fresh air.
Entailed: There are at least 2 people.
Contradiction: The students are swimming in the middle of the ocean.
Contradiction: we did not give up posture for fitness.
Contradiction: Three girls with matching outfits
Contradiction: A man and a woman hold boxes and bags together.
Contradiction: there is a boy riding a skateboard down a handrail