Premise: A guy showing his bike to a kid .
Correct statement: It is probably not the case that a guy is showing off his bike to another to sell .
Incorrect statement: It is almost certain that a guy is showing off his bike to another to sell .
Correct statement: Chances are about even that the kid is male .
Incorrect statement: It is highly unlikely that the kid is male .
Correct statement: It is probably not the case that a guy tries to sell his old bike to a child .
Incorrect statement: It is almost certain that a guy tries to sell his old bike to a child .
Correct statement: It is probably not the case that the child wants to buy a new bike .
Incorrect statement: It is almost certain that the child wants to buy a new bike .
Correct statement: It is probably not the case that a child is trying to buy a bicycle .
Incorrect statement: It is almost certain that a child is trying to buy a bicycle .