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:     Good morning . I've come here to inquire whether I can get a visa to your country ?  
 Person2:  What do you want to go to US for ?  
 Person1:      I have been invited to teach Chinese at the University of Hawaii for two years .  
 Person2:  Can I have a look at your letter of acceptance ?  
 Person1:      Of course . Here you are .  
 Person2:  That's OK . We'll contact you the moment we hear from home . 

1