For this chain-of-thought reasoning and answer, what was the question?
He is either riding down a railing or cutting his toenails.
 A: no
user
Q: Premise: "A snowboarder riding down a railing."
Based on this premise, can we conclude that the hypothesis "A man cutting his toenails." is true?
Options:
- yes
- it is not possible to tell
- no
assistant