premise1: A biker in protective gear is riding through a countryside with cliffs.
premise2: The biker is riding down a grassy mountainside.
premise3: Extreme downhill mountain biking.
premise4: Cyclist biking down a steep path.
premise: A biker in protective gear is riding through a countryside with cliffs. The biker is riding down a grassy mountainside. Extreme downhill mountain biking. Cyclist biking down a steep path.
hypothesis: A man riding down a hill.