Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. If the conversation begins with a question, label it '1' otherwise '0'.
Input:  Person1:     Good morning . How are you ? 
 Person2:  I'm very worried , doctor 
 Person1:      Oh ? What are you worried about ? 
 Person2:  I'm afraid that I'm very ill . 
 Person1:      I'm sorry to hear that . Why do you think so ? 
 Person2:  Because I feel tired all the time , even when I wake up in the morning . I find very difficult to do any work . I have no appetite . My wife cooks me delicious meals but I can only eat a little . 
 Person1:      How do you sleep ? 
 Person2:  Very badly , doctor . 
 Person1:      Do you find it difficult to get to sleep , or do you wake up early ? 
 Person2:  Both , doctor . I never get to sleep until two o'clock and I always wake up at five . 
 Person1:      Are you worried about anything ? 
 Person2:  Well , yes , I am . I'm worried about my work . I've just taken a new job . I earn a lot of money but it's difficult work . I'm always afraid of making a mistake . 
 Person1:      I see . please take off your shirt and lie down on the couch . 
 Person2:  Yes , doctor . ( The doctor examines the patient ) 
 Person1:      Well , there's nothing very much wrong with you , I'm glad to say.You ' re working too hard and worrying too much.Do you take much exercise ? 
 Person2:  No , doctor . I never have enough time for exercise . I start work very early in the morning and finish late in the evening . Then I can't get to sleep . Can you give me some medicine to help me to sleep ? 
 Person1:      I can , but I'm not going to . You don't need medicine . You need advice . Don't work so hard . Too much work is bad for you . Don't worry about your work.It ' s silly to worry . Take regular exercise . 
 Person2:  But I may lose my job , doctor ! It's hard to get a job like mine . 
 Person1:      Then get an easier one , even if you earn less money . Which would you rather have , health or wealth ? 
 Person2:  You're right , doctor . It's more important to be healthy than wealthy . I'll change my job . I'm grateful for your advice . 
 Person1:      Come and see me again in a month's time . I think you'll be a different man ! 

1