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 . Is anyone in that seat next to you ?  
 Person2:  No , I don't think so .  
 Person1:      Do you mind if I put my jacket there ?  
 Person2:  No . It's no problem.Are you American ?  
 Person1:      Yes . And you ?  
 Person2:  No . I'm from Taiwan . Can't you see ?  
 Person1:      Well , there are many Chinese Americans , you know.And your English is very good . You sound like an American .  
 Person2:  I don't think so . You are flattering me .  
 Person1:      No , really . I can only hear a little accent .  
 Person2:  Are you flying home ?  
 Person1:      Well , yes . Actually , I'm going back to visit .  
 Person2:  You were visiting Taiwan ?  
 Person1:      No , I'm going back to America to visit . I'm from America , but I don't live there now . I live in Taichung .  
 Person2:  Really ! You live in Taiwan !  
 Person1:      Yes . Why not ?  
 Person2:  May I ask what your job is in Taiwan ?  
 Person1:      Sure . I teach history in a university . Have you heard of Dong-Hai University ?  
 Person2:  Of course . It's a good school . How long have you lived in Taichung ?  
 Person1:      I have lived in Taichung for two years now.So this is the second time I am going back to states . I go back once a year to visit my family .  
 Person2:  It must be strange for you to live in Taiwan .  
 Person1:      No , it isn't strange at all.Many people from Taiwan move to America too , you know.Do you think it is strange for them ?  
 Person2:  No . Well , I don't know.But Taiwan is so crowded . Don't you miss life in America ? 

1