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:     Are you going anywhere for your vacation ?  
 Person2:  Yes , we're making plans for a tour .  
 Person1:      That'll be lovely . Where are you going ?  
 Person2:  Well start out from Long Island this Friday . We've planned a four day drive to Salt Lake City , where we'll join my brother and his family on his fortieth birthday .  
 Person1:      Well , you've got to prepare a lot of food and enough sleeping bags then .  
 Person2:  Oh , we'll spend the nights in hotels and enjoy local food as we pass by . How does it sound , David ?  
 Person1:      It sounds good . You can do a lot of sightseeing , too .  
 Person2:  Yes , we'll take our time . And we'll go to Five-lake Strict and the Wall Street .  
 Person1:      So , you're going to have a really nice vacation .  
 Person2:  You can say that again . 

1