Student: Can we conclude from "An old woman wearing a black scarf is walking with a cane down the sidewalk." that "The woman walks fast."?
Options:
- yes
- no
- it is not possible to tell.
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
It appears to be contradictory that the woman is walking fast while using a cane. So the final answer is it is not possible to tell.