Consider the question. Given the sentence "A man jumps off a large building onto the ground." is it true that "A man is on the ground."?
 What is the step-by-step reasoning process to arrive at the answer: it is not possible to tell?

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
Jumping on the ground is not the same as already being on the ground.