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:     Do I check in for the train D8 08 to Shanghai here ?  
 Person2:  Yes , show me your tickets please .  
 Person1:      Here you are . By the way , when does the train leave ?  
 Person2:  The train is driving after ten minutes .  
 Person1:      Thanks . Where is my seat ?  
 Person2:  It's over there . Have a good trip .  
 Person1:      Thank you . 

1