A man rides his dirt bike on a track by the airport.
This justifies what answer for what question? Q & A:

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
If "Dirt biker on a professional riding course near an airport." does that mean that "Composed of dirt."?
Options:
- yes
- it is not possible to tell
- no
it is not possible to tell