A large group of men are listening to a man with glasses sitting at a table with a strange pattern .
It is impossible that there is a large group of men listening to a man with glasses because he is their professor .
There is a better than even chance that there is a large group of men listening to a man with glasses because he is their professor .
It is impossible that there is a large group of men listening to a man with glasses because he is their professor .
There is a large group of men listening to a man with glasses because he is their professor .