a man wearing a red clown nose stand talking to a man holding groceries on a busy city street .
It is impossible that there is a man wearing a red clown nose because he is a street performer .
It is likely that there is a man wearing a red clown nose because he is a street performer .
It is impossible that there is a man wearing a red clown nose because he is a street performer .
There is a man wearing a red clown nose because he is a street performer .