A man is sitting on top of a mountain .
a man sits and waits on top of the rocky mountains .
A man is sitting on top of a mountain.
a man sits and waits on top of the rocky mountains.
A man is sitting on top of some rocky mountains, but we don't know if he is waiting or just tired and catching his breath.
A man is sitting on top of some rocky mountains , but we do n't know if he is waiting or just tired and catching his breath .