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:     Do you have cruise tours ? 
 Person2:  Yes , sir . We have the all-inclusive luxury cruise . Maybe you would like to look at the itinerary . 
 Person1:      Sure . That's really amazing . However I don't have so much time . Do you have a full day cruise ? 
 Person2:  Yes . What about this one ? 

1