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:     May I help you ?  
 Person2:  Yes , could you cash these travaler's check for me , please ?  
 Person1:      Sure.Please sign your name here ... and here .  
 Person2:  Ok , here you are .  
 Person1:      Thanks.How would you like them ?  
 Person2:  It doesn't matter . 

1