Student: Given the sentence "A young asian woman walks past a blue wall that says ""post no bills." is it true that "A young woman passes graffiti on a coffee shop wall."?.
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
Not all blue walls are coffee shop walls. It was not implied that the writing on the wall was specifically graffti. So the final answer is it is not possible to tell.