A man or older boy is standing up in a blue and white speedboat that 's parked in a driveway .
It is unlikely that a man is in a speedboat parked in his driveway .
It is certain that a man is in a speedboat parked in his driveway .
It is unlikely that a man is in a speedboat parked in his driveway .
A man is in a speedboat parked in his driveway .