Happy man grilling meat on his barbecue .
There is a better than even chance that a man is happy at his barbecue because people are coming over to visit .
There is a better than even chance that a man is happy at his barbecue because people are coming over to visit .
It is improbable that a man is happy at his barbecue because people are coming over to visit .
A man is happy at his barbecue because people are coming over to visit .