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:     What can I do for you ?  
 Person2:  I want my hair cut .  
 Person1:      How would you like your hair cut ?  
 Person2:  I'm not sure . What do you suggest ?  
 Person1:      Well , how about like this ?  
 Person2:  I don't like it . It's outdated .  
 Person1:      Okay . How about this style ?  
 Person2:  It seems a little too wild .  
 Person1:      Can you give me some idea of what you'd like ?  
 Person2:  I want a haircut just like that kind .  
 Person1:      OK , I see . 

1