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 are you doing this Saturday ?  
 Person2:  Not much .  
 Person1:      Do you want to go see a movie ?  
 Person2:  That sounds good .  
 Person1:      What's playing at the Century Fox ?  
 Person2:  Candlelight in the Window  
 Person1:      Should we go see it ?  
 Person2:  I'd rather not . I don't like horror movies .  
 Person1:      How about ‘ Run of the Mill ? ’  
 Person2:  No . I heard that's really boring .  
 Person1:      Why don't we go to a concert instead ?  
 Person2:  Great idea ! 

1