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:     Is my hair done yet ? 
 Person2:  Yeah , I just need to make the final touches . 
 Person1:      How long until you're finished ? 
 Person2:  I'm finished . What do you think ? 
 Person1:      I like my hair so much . 
 Person2:  Do you really ? 
 Person1:      It's beautiful . 
 Person2:  Well , thank you very much . 
 Person1:      How much is it for my hair ? 
 Person2:  You owe me $ 55 . 
 Person1:      Thanks for everything . 
 Person2:  You are very welcome . Come back again . 

1