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 . What time does the next train to London leave ?  
 Person2:  At 10:30 .  
 Person1:      Is it a direct train to London ?  
 Person2:  Yes , it is .  
 Person1:      OK . Two tickets to London , please .  
 Person2:  Single or return ?  
 Person1:      Single , please . How much in total ?  
 Person2:  10 pounds .  
 Person1:      Here you are . Which platform should I go to wait for the train ?  
 Person2:  It's platform 5 .  
 Person1:      OK . Thank you .  
 Person2:  You are welcome . 

0