Premise: A man in a blue cap is playing a guitar while a young girl sits on a stool across from him and listens .
Correct statement: It is probable that a man sings while playing guitar .
Incorrect statement: There is almost no chance that a man sings while playing guitar .
Correct statement: Chances are about even that a man serenades a woman with a song he wrote on his guitar .
Incorrect statement: It is certain that a man serenades a woman with a song he wrote on his guitar .
Correct statement: It is impossible that the man is with his daughter .
Incorrect statement: It is certain that the man is with his daughter .
Correct statement: We believe that the man knows the girls .
Incorrect statement: We doubt that the man knows the girls .
Correct statement: It is highly likely that the girl knows the man .
Incorrect statement: It is unlikely that the girl knows the man .