Premise: a child and a young adult the adult is maybe demonstrating how to do something to teach the young child
Correct statement: Chances are about even that the child and adult are son and father .
Incorrect statement: It is impossible that the child and adult are son and father .
Correct statement: There is a better than even chance that the child is looking on intently at the adult
Incorrect statement: It is improbable that the child is looking on intently at the adult
Correct statement: Chances are about even that a man is teaching his son how to shoot a rifle .
Incorrect statement: There is almost no chance that a man is teaching his son how to shoot a rifle .
Correct statement: It is improbable that a young adult is demonstrating a math problem to a young child .
Incorrect statement: It is certain that a young adult is demonstrating a math problem to a young child .
Correct statement: We believe that the child is paying attention to the young adult .
Incorrect statement: Chances are slight that the child is paying attention to the young adult .