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:     When do we get off the bus ? 
 Person2:  I think we have a while longer . 
 Person1:      I feel like we've been on this bus forever . 
 Person2:  That's true . 
 Person1:      Are you sure we weren't supposed to get off already ? 
 Person2:  I don't know . 
 Person1:      I thought you knew where we get off at . 
 Person2:  I wasn't really paying attention . I think we missed our stop . 
 Person1:      Seriously ? 
 Person2:  Yeah , we definitely missed our stop . 
 Person1:      That's the last time I get on a bus with you . 
 Person2:  My bad.sorry ! 

1