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:     Is there anything I can do for you ?  
 Person2:  I would like to go to Europe for a visit ? Can you recommend me an interesting city ?  
 Person1:      Why not go to Paris ? It's famous for Arch of Triumph , Eiffel , versailles and place de la Concorde .  
 Person2:  Do you have a package tour to Paris ?  
 Person1:      Of course , we have . 

1