The Pope and a Cardinal die, and go up to Heaven. They're both talking excitedly about how they're about to meet God directly.
St Peter, at the gate tells them they can go in to meet God, and since they were so good on earth, they can have a private meeting, one at a time, a rare honour.
The Pope lets the Cardinal go in first, and he comes out again, a few minutes later. He asks how he saw God, and the Cardinal replies " She's black, for a start..."