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 didn ’ t you clean the room ?  
 Person2:  I ’ m not in the mood .  
 Person1:      Why are you feeling depressed ?  
 Person2:  I was told my girlfriend was speaking ill of me . That ’ s a real let-down .  
 Person1:      I don ’ t think she will do such a thing .  
 Person2:  But she did and 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