Premise: The man is playing a stringed instrument on the ground .
Correct statement: There is a better than even chance that the man is playing a violin .
Incorrect statement: It is impossible that the man is playing a violin .
Correct statement: There is a better than even chance that a man over six feet tall
Incorrect statement: It is highly unlikely that a man over six feet tall
Correct statement: It is likely that the man is playing a guitar .
Incorrect statement: It is impossible that the man is playing a guitar .
Correct statement: There is a better than even chance that there is a man playing a violin .
Incorrect statement: Chances are slight that there is a man playing a violin .
Correct statement: It is impossible that an Asian man is playing an erhu while sitting on the ground .
Incorrect statement: There is a very good chance that an Asian man is playing an erhu while sitting on the ground .