One is sitting on a bench implies that one is on a bench.
This justifies what answer for what question? Q & A:

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
Given the sentence "A man dressed in white sitting on a bench." is it true that "A man is on a bench."?
yes