Premise: A young man performing a bicycle stunt on a very small platform , while another is spotting him .
Correct statement: Chances are about even that a man is practicing a bike stunt for his circus performance .
Incorrect statement: It is certain that a man is practicing a bike stunt for his circus performance .
Correct statement: There is a better than even chance that the man is riding a BMX bike .
Incorrect statement: It is impossible that the man is riding a BMX bike .
Correct statement: It is likely that a man is trying to impress judges for a contest .
Incorrect statement: It is probably not the case that a man is trying to impress judges for a contest .
Correct statement: Chances are about even that a man performs a bucycle stunt that is very dangerous
Incorrect statement: There is almost no chance that a man performs a bucycle stunt that is very dangerous
Correct statement: It is highly unlikely that a man does a dangerous trick on one wheel of a bicycle with his girlfriend watching .
Incorrect statement: It is highly likely that a man does a dangerous trick on one wheel of a bicycle with his girlfriend watching .