Stream of consciousness rationale: Nothing about a biker moving quickly past trees implies that he is moving fast as he races in the California redwoods.
The question and answer pair are described below.

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
Q: Can we conclude from "A biker moving quickly past trees." that "A biker is moving fast as he races through the californian redwoods."?
Options:
- yes
- no
- it is not possible to tell
A: it is not possible to tell