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:     Dad , where is the Book Building ?  
 Person2:  I'm looking . Can you still remember what the conductor said ?  
 Person1:      She said that when we get off the bus , the Book Building is right by the bus stop .  
 Person2:  But I don't see it .  
 Person1:      Oh , Dad , look at the sign , please !  
 Person2:  Oh , my god ! We get off at the wrong stop . I'm so sorry , honey .  
 Person1:      OK , Dad , it happens .  
 Person2:  It's my fault . So what can we do now ? Walk ?  
 Person1:      Come on , I'm too tired !  
 Person2:  OK , you promise don't tell your mother about it , we'll take a taxi .  
 Person1:      Sure , I promise .  
 Person2:  If you keep your promise , I will also let you watch Ultraman this evening . 

1