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:     The central Hotel , please . I have to be there by 6:00 . 
 Person2:  We shouldn't have any trouble if the traffic isn't too heavy . Is this your first trip here ? 
 Person1:      Yes . I've never been here before . 
 Person2:  You haven't seen the sights yet , have you ? 
 Person1:      No , I'm open to suggestions . 
 Person2:  Why don't you visit the Great Wall first ? 
 Person1:      That's a good idea . 
 Person2:  Here we are . That will be seven yuan and seventy cents . 
 Person1:      Thanks a lot . Here's ten yuan . Keep the change . 

0