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:     Tom , did you see the film last night ? 
 Person2:  Yes , I did , I thought it was a failure . 
 Person1:      Do you really think so ? I don't think so . It wasn't that bad film at all . Didn't you hear the applause of the audience ? 
 Person2:  Well , maybe so . But I still think everyone has their rights of their own opinion . 
 Person1:      Well , i don't see the point of arguing this . 

1