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:     Hello . May I speak to Mary , please ?  
 Person2:  Speaking . Who's calling , please ?  
 Person1:      Hi , Mary . This is Tom .  
 Person2:  Oh , hi , Tom . How've you been ?  
 Person1:      Just fine . I say . Aren't you busy tomorrow evening ?  
 Person2:  Let me see . Uh-huh ... no , I guess I'll be free .  
 Person1:      Well , uh ... why not dine out together and go to the movies ?  
 Person2:  Sounds like a good idea .  
 Person1:      Okay . I'll pick you up at 6:00 .  
 Person2:  Thank you for inviting me . See you then . Bye , Tom . 

0