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:     Are you OK ? 
 Person2:  Yeah . Why not ? 
 Person1:      Because ... I heard John got married yesterday . 
 Person2:  Oh , you went to the wedding ? 
 Person1:      No , he didn't tell me about it . Don't feel bad . 
 Person2:  I'm OK . I promise . Maybe you don't know that I have done with him for a long time . 

1