It was a ridiculous answer to a simple question.  The professor expected something loss convoluted and more what?
Options:
- solemn
- straightforward
- pensive
- somber
- serious
Let's think carefully first. Step-by-step reasoning process:

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
Straightforward answers should be given for a simple question. The answer was ridiculous means it was not a straightforward answer. Professors generally prefer simple answers for simple questions. So the final answer is straightforward.