A man in a yellow shirt , with a tall gray suitcase , sitting next to another man in a white shirt and gray pants , behind them a tall billboard for sunglasses and prescription glasses .
It is impossible that two men are waiting for the Greyhound bus .
It is impossible that two men are waiting for the Greyhound bus .
It is highly likely that two men are waiting for the Greyhound bus .
Two men are waiting for the Greyhound bus .