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 , you look lost.Can I help you ?  
 Person2:  Oh , Thank you . I'm looking for the train station .  
 Person1:      Right.Let me see.You go straight down here and turn right .  
 Person2:  Right ? OK , got it .  
 Person1:      Then take the next left then the next right.Are you with me ?  
 Person2:  Next left then right ? OK . 

0