Smiling boy in white shirt and blue jeans in front of rock wall with man in overalls behind him .
It is certain that the boy and man smile for a picture in front of a rock wall .
It is certain that the boy and man smile for a picture in front of a rock wall .
There is little chance that the boy and man smile for a picture in front of a rock wall .
The boy and man smile for a picture in front of a rock wall .