Premise: "Extreme rock wall climbing."
Based on this premise, can we conclude that the hypothesis "The wall is not a rock wall." is true?
Options:
- yes
- it is not possible to tell
- no Step by step answer:

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 the wall is not a rock wall then there cannot be an extreme rock wall climbing. Therefore, the final answer is no.