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:     Herman , why are you so excited ? 
 Person2:  I have met a beautiful girl . 
 Person1:      Have you fallen in love ? 
 Person2:  Yes . At first sight . 
 Person1:      Can you describe the situation at that time ? 
 Person2:  At that time her back was ramrod straight as she sailed by , her tone is best , neither over-passionate , nor too cold . 
 Person1:      What's her outlook ? 
 Person2:  She was pretty , her hair was the color of rich dark chocolate , waving gently to her shoulders . Her complexion was clear and golden . 

1