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:     Hi , I'm Benjamin . Nice to meet you here . You look great . 
 Person2:  Thank you . Nice to meet you too . I'm John . Is this your first time to take a long-distance trip on plane . 
 Person1:      No , this is the second time . But I also feel bad because of the lower pressure and the jet lag . 
 Person2:  Oh , I am sorry to hear that . Take it easy . It will be OK soon . You see , I take this long-hour plane frequently , but the jet lag still makes me uneasy . 
 Person1:      Oh , that's too bad . Do you get a good knowledge of China ? 
 Person2:  Yes , whenever I think about China , I'd see the Tian'an Men Square . China is a very beautiful country . And I've seen many landmarks in China but I like the Great Wall most . 
 Person1:      All of the Chinese are proud of the Great Wall . And it was built before the In dynasty near Shan Haiguan-the First Pass in the World . 
 Person2:  Was it built before the In dynasty ? I thought it was in the Ming dynasty . 
 Person1:      No , before the In dynasty . 
 Person2:  Oh , yeah . Thought I am an American , I know quite a lot about China and I like Chinese tea very well . 
 Person1:      Both the green tea and the black tea are good for our health . And I usually refresh myself with a cup of tea . 

0