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:     What happened to your brother ?  
 Person2:  It seems that he has gone ape over the girl .  
 Person1:      Your parents must be worrying about him .  
 Person2:  Yes , he ’ s been like this for two weeks . We don ’ t know what to do .  
 Person1:      Have you talked to him ?  
 Person2:  Yeah . But he just didn ’ t listen . 

1