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:     I want to check in now . Here is my ticket . 
 Person2:  Don't you have any luggage to check in ? 
 Person1:      No , sir . 
 Person2:  Do you have a seat preference ? 
 Person1:      I'd like an aisle seat . I feel terrible near the window . 
 Person2:  Here is your boarding pass . Have a nice day . 

0