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 , can you do me a favor ?  
 Person2:  Sure .  
 Person1:      Where's the busiest street of this city ? I am a stranger here .  
 Person2:  You mean the seventy seventh ? It's not far from here . You can walk there .  
 Person1:      Well , we are so tired today . Can you tell me which bus I should take ?  
 Person2:  Bus No . 12 .  
 Person1:      Thank you so much . 

0