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 know where the visa office is ? 
 Person2:  Yes , I do . I ’ ll walk you there . 
 Person1:      Thanks ! 
 Person2:  Are you applying to study or work abroad ? 
 Person1:      I want to study abroad . 
 Person2:  What do you want to study ? 
 Person1:      I hope to study English literature . 
 Person2:  Have you got your visa yet ? 
 Person1:      Not yet . I have an interview with the visa official today . 
 Person2:  I see . Is it your first interview ? 
 Person1:      No , I've already been to here for three interviews . 
 Person2:  What happened ? 
 Person1:      I was denied a visa ? 
 Person2:  Why ? 
 Person1:      Like most students . I want to work in America after graduation . 
 Person2:  I see . Well , good luck ! 

1