   neutral   What do you do for a living?     neutral   I ’ m a doctor.  
    surprise   Really? Do you like it?     neutral   Yes, I do. It ’ s very interesting. What ’ s your job?  
    neutral   I ’ m a bus driver.     neutral   
 Which is more difficult, driving a bus all day or doing an operation in the evening? 
 Oh?    disgust  Yeah! You know how much time we waste everyday