premise: A young boy with a blue and gray shirt is making designs on a beach in the sand with a wooded area behind him. hypothesis: A boy is wearing a shirt while on a beach near the woods and is making designs in the sand.
entailment: With a blue and gray shirt implies that the boy is wearing a shirt. Because there is a wooded area behind him, it is implied that he is near the woods. In order to make designs in the sand on a beach, it is necessary to be at the beach. Beaches are composed of sand, so making designs on the beach implies that the designs are being made in the sand.