Premise: The boy in gray is taking pictures of his friend in the striped sweatshirt doing tricks on his skateboard .
Correct statement: It is improbable that a boy is wearing a hat .
Incorrect statement: We believe that a boy is wearing a hat .
Correct statement: Chances are slight that a boy takes photos of his brother trying new tricks on his new skateboard .
Incorrect statement: It is probable that a boy takes photos of his brother trying new tricks on his new skateboard .
Correct statement: We believe that a skateboarder tries out a new trick while his friend takes pictures .
Incorrect statement: It is probably not the case that a skateboarder tries out a new trick while his friend takes pictures .
Correct statement: There is a better than even chance that the boy is wearing shorts .
Incorrect statement: It is improbable that the boy is wearing shorts .
Correct statement: There is almost no chance that a boy and his friend who lives next door are really good friends .
Incorrect statement: It is certain that a boy and his friend who lives next door are really good friends .