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:     Hi , why do you look so depressed today , Mike ?  
 Person2:  I had a terrible quarrel with my neighbor yesterday .  
 Person1:      How come ?  
 Person2:  It is a long story . Basically , she thought I had laughed at her while I didn't .  
 Person1:      I know everyone suffers when he is misunderstood . But why not take it easy ?  
 Person2:  Yeah . It's so nice of you to comfort me . 

1