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:     Hi , is that Mr . Wu ?  
 Person2:  Yes . What can I do for you ?  
 Person1:      I am calling to query about some of your information .  
 Person2:  We've got a bad line . Can you repeat that please ?  
 Person1:      I said I want to ask about some of your information .  
 Person2:  Sorry , the connection is terrible . I'll call you back because I can't hear anything . 

1