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:     Why you are so crazy about Beijing Opera ? It's so boring . 
 Person2:  But I think it's fantastic and charming . Well , you have your opinion and I have mine . 
 Person1:      Maybe you're right . But I just still can't understand ... 
 Person2:  Come on . I don't see any point in arguing about this . Everyone has a right to his own opinion . 

1