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:     Excuse me . I've been waiting here for 15 mins . Do you know how often does No . 3 run ? 
 Person2:  Oh , it runs every 20 mins . You must have missed it , when you came here . It should be here any minute now . 
 Person1:      It seems that you have got here at a good time . Do you have a bus schedule ? 
 Person2:  Yes , I do . You can go to the Transport Department to get yourself a bus schedule and a bus route map . 
 Person1:      I see , thank you . 

1