Given the sentence "Man seated on a bus looking out the window at pedestrians." is it true that "Man riding bus notices his friend outside walking on the street."? Let's be accurate as possible and think first.

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 looking at pedestrians does not mean he notices his friend. Final answer: it is not possible to tell.