Three young men are giving the thumbs up sign while grilling sausages on a small barbecue .
It is impossible that a few boys are goofing off and start a fire on the grill .
It is impossible that a few boys are goofing off and start a fire on the grill .
It is almost certain that a few boys are goofing off and start a fire on the grill .
A few boys are goofing off and start a fire on the grill .