Stream of consciousness rationale: Either the man is in front of the building or behind it. He cannot occupy two spaces at one time.
The question and answer pair are described below.

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
Q: Can we conclude from "The man is in front of a building." that "The man is behind the building."?
Options:
- yes
- no
- it is not possible to tell
A: no