For this chain-of-thought reasoning and answer, what was the question?
There is a big difference between leaping along side a lake and jumping into a lake. Just because the young man leaps along side the lake doesn't mean he is about to jump into it.
 A: it is not possible to tell
Q: Given the sentence "A young man leaps along side a lake." is it true that "A young man is about to jump into a lake."?