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 . Could you tell me how to get to the library ?  
 Person2:  Of course . It's on Memorial Avenue .  
 Person1:      On Memorial Avenue ?  
 Person2:  Right . You know where that is ?  
 Person1:      I'm afraid I don't . I'm quite new in town .  
 Person2:  Well , do you know where the post office is ?  
 Person1:      No , I don't . But I do know where the shopping mall is .  
 Person2:  That won't help us . Let me see now ... Why don't you follow this street , Elm , until , you get to the second stoplight .  
 Person1:      Well , thank you very much , I hope I can find it . 

0