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 , do you have any English songs ?  
 Person2:  Yes , we do . They are all in this book .  
 Person1:      Great , thanks .  
 Person2:  No problem . Just give us a few minutes more to pull them up , though . We don ’ t get that many English singers !  
 Person1:      Oh , I see . 

1