If "A man with rollerblades grinding a curb." does that mean that "A person is rollerblading in the city."?
Options:
- yes
- it is not possible to tell
- no Stream of thoughts:

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
A man with Rollerblades grinding a curb does not imply he is rollerblading in the city.
Therefore, the answer is it is not possible to tell.