premise1: A BMX racer in a blue and white uniform competing in a race on a dirt track.
premise2: A bicyclist in a full face helmet negotiates an outdoor course on his bike.
premise3: A cyclist races down the rocky trail.
premise4: Man in a helmet riding his bike.
premise: A BMX racer in a blue and white uniform competing in a race on a dirt track. A bicyclist in a full face helmet negotiates an outdoor course on his bike. A cyclist races down the rocky trail. Man in a helmet riding his bike.
hypothesis: A woman rides a bicycle down a street.