premise1: A boy rides a horse down a dusty country road.
premise2: A person is riding a horse down a dirt trail.
premise3: A jockey training his horse.
premise4: Man swiftly riding a horse.
premise: A boy rides a horse down a dusty country road. A person is riding a horse down a dirt trail. A jockey training his horse. Man swiftly riding a horse.
hypothesis: A man sitting on an animal.