Premise: An older man with gray hair is sitting in a chair playing a large instrument made of bamboo .
Correct statement: It is impossible that a man is playing a guitar .
Incorrect statement: It is likely that a man is playing a guitar .
Correct statement: It is impossible that the man carved the instrument himself .
Incorrect statement: We believe that the man carved the instrument himself .
Correct statement: There is almost no chance that the elderly man is playing his own original music .
Incorrect statement: There is a better than even chance that the elderly man is playing his own original music .
Correct statement: It is certain that a old man is sitting in a chair
Incorrect statement: It is unlikely that a old man is sitting in a chair
Correct statement: It is unlikely that an older man plays traditional music outside on a porch .
Incorrect statement: It is almost certain that an older man plays traditional music outside on a porch .