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:     Good morning . I'd like to check out right now . 
 Person2:  May I have your room number 。 Sir ? 
 Person1:      Room 103 . 
 Person2:  Just a minute , Sir.Are you Mr Wang from China ? 
 Person1:      Yes.Wang Bin . 
 Person2:  Mr Wang , did you sign any bill in the last two hours in our hotel ? 
 Person1:      No . 
 Person2:  Have you used any hotel services this morning ? 
 Person1:      No , I have not . 
 Person2:  Here is your bill.It totals 3250 dollars . 
 Person1:      All right . Can I pay with credit cards ? 
 Person2:  What kind of card ? 
 Person1:      American Express . 
 Person2:  Yes , we do . Here is your bill and receipt . 

0