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:     How do you like Korea ?  
 Person2:  I like it . It's a beautiful country .  
 Person1:      What part of the visit excited you most ?  
 Person2:  The best island of Korea-Jizhou island .  
 Person1:      Why ?  
 Person2:  Attractive scenery , pleasant climate , these make it charming .  
 Person1:      Yes , I think so . But there is also something terrible .  
 Person2:  What do you mean ?  
 Person1:      Sometimes the traffic is too busy .  
 Person2:  Yes , you are right . 

1