Premise: "A person is riding a skateboard in the air above a ramp."
Based on this premise, can we conclude that the hypothesis "The person is doing the 900." is true?
Options:
- yes
- it is not possible to tell
- no 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
A person riding a skateboard in the air above a ramp cannot be doing the 900. Final answer: no.