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 , can you recommend some places for us to go tonight ?  
 Person2:  Since it's your first time to Vienna , I think you should go to the concert .  
 Person1:      Good idea . My wife has a fine ear for music . I am sure she would like it .  
 Person2:  Have a nice evening . 

1