Premise: "A motorcyclist is pulling a wheelie on a motocross bike as he rides it up a dirt track."
Hypothesis: "A motorcyclist is on a dirt track."
Do we know that the hypothesis entailed by the premise? Let's be accurate as possible and think first.

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Answer: Dirt track implies that the motorcyclist is doing a wheelie on a motocross bike. Final answer: yes.