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:     Hello , are you interested in this Honda ?  
 Person2:  Hi , I am just looking .  
 Person1:      It's a good car .  
 Person2:  What year is it ?  
 Person1:      1999 .  
 Person2:  How about the mileage ?  
 Person1:      6,000 miles , all highway mileage .  
 Person2:  What do you mean 7B  
 Person1:      Highway miles are not as bad as local miles . They do not hurt car as much .  
 Person2:  Oh , why such a high mileage ?  
 Person1:      The owner was commuting everyday crossing the state line .  
 Person2:  Okay . Does this car have a warranty ?  
 Person1:      One month .  
 Person2:  How do I make sure I am not buying a junk ?  
 Person1:      You'll check it out anyway you want . You can take it to a garage .  
 Person2:  How much is it ?  
 Person1:      $ 5,900 .  
 Person2:  I'll have to think about it .  
 Person1:      Leave your phone number , and I will give you a call if the price gets reduced .  
 Person2:  Okay . 

1