We cannot use our imagination to answer the question, you imagine it. If we want to answer that we can't see, we are going to ask a question that we don't see it like hell. Heaven, the aliens?
We can use our imagination to imagine the answer to it is like if we want answers, we do not see. We have to ask questions that we can not see paradise as hell alien is.
We can use our imagination to answer hypothetical. Like, if we need answers, we still can't see. We then ask the questions that we can't see, such as hell and heaven are aliens?