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:     Charlotte , have you had your supper ? 
 Person2:  No , I don ’ t want to eat anything . 
 Person1:      Why ? Don't you feel well ? 
 Person2:  I ’ m down in spirits . 
 Person1:      What's up ? 
 Person2:  My manager jumped on me for my mistake today . 
 Person1:      You must not feel depressed about such a trivial thing . 
 Person2:  I think I'm too clumsy . I can do nothing well . 
 Person1:      You'd better shape up if you want to get the job done . 
 Person2:  But I doubt myself . 
 Person1:      Cheer up ! Don't let me down . We all make mistakes , and that is life . 

1