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:     David , why don't you clean your room ? 
 Person2:  I am not in the mood . 
 Person1:      Why are you feeling depress ? 
 Person2:  I was told my girlfriend was speaking ill of me . It's a real letdown . 
 Person1:      I don't think she would do such a thing . 
 Person2:  But she did and it made me disappointed . 
 Person1:      Oh , cheer up ! A girlfriend is not everything . 
 Person2:  But she means a lot to me . 
 Person1:      Then forgive her mistake . 
 Person2:  Oh , I just can't forget it . 

1