Premise: A man playing a guitar while standing in front of a microphone singing .
Correct statement: There is almost no chance that a famous person is singing .
Incorrect statement: There is a very good chance that a famous person is singing .
Correct statement: It is highly unlikely that there is a man wearing cowboy boots playing an acoustic guitar and singing .
Incorrect statement: It is probably the case that there is a man wearing cowboy boots playing an acoustic guitar and singing .
Correct statement: It is impossible that a man is performing at a talent competition .
Incorrect statement: It is highly likely that a man is performing at a talent competition .
Correct statement: It is highly unlikely that a man is making folk music .
Incorrect statement: It is highly likely that a man is making folk music .
Correct statement: It is certain that the man is performing a song .
Incorrect statement: We doubt that the man is performing a song .