Given the sentence "A brown dog is chasing a ball on the grass." is it true that "The dog is running in a park."? 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 dog can run in other places than in a park. Final answer: it is not possible to tell.