Given the following reasoning and answer, what was the question? Rocky hills is a general geography. Caves can be explored in rocky hills. Rocky hills can be found after climbing the mountains.
 The answer: rocky hills

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.
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The question After climbing the mountains, the explored found the cave, what was the general goegraphy of the region he found it in?
Options:
- west virginia
- kentucky
- desert
- sea
- rocky hills