I'll give you a question, please answer with step-by-step reasoning process. While up in the mountains the locals taught him all the tricks of the fingerboard, he learned the basics of playing the what?
Options:
- violin
- banjo
- mandolin
- guitar
- lute

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
Banjo has a fingerboard and people in mountains play it. One can play a banjo.
The answer: banjo.