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 kind of person do you consider yourself to be ?  
 Person2:  I think I'm polite , careful , relaxed and shy .  
 Person1:      Oh , I don't think you're shy ! You are always chatting with new people when we go to a party .  
 Person2:  Well . Yes , but those people always start talking to me . I never talk to them first . Perhaps I'm not as shy as I think . Anyway , you're certainly not shy !  
 Person1:      You're right . I love going out and making new friends .  
 Person2:  So , you'll be at my birthday party on Friday ?  
 Person1:      Of course ! 

1