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:     Welcome to the International Business Department . How can I help you ?  
 Person2:  Hello . I'm Ms Dawson from Lexington Software . I need to send these documents to Vietnam via L / C .  
 Person1:      No problem , I can do that for you right now . Have you checked the documents ?  
 Person2:  I have , but I have never done this before so would it be possible for you to double check them ?  
 Person1:      Of course , that's all part of the service .  
 Person2:  Thank you . I don't think there should be any problems , but just to be sure ...  
 Person1:      Don't worry ; I'm sure it will be fine . If I do have any queries I'll call you , OK ?  
 Person2:  That's fine . Thank you again . 

1