Student: If "A woman stands behind a bar serving drinks." does that mean that "A woman stands at a bar."?
Options:
- yes
- it is not possible to tell
- no.
Teacher: Let's think:

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
One has to be standing at a bar in order to be behind a bar. So the final answer is yes.