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:     Excuse me , Ma ' am . I would like to mail this package door to door via airmail to London . It is a very important package and has to be sent within 3 days .  
 Person2:  No problem . But , the postage is much higher than the regular package .  
 Person1:      That's fine with me . I am willing to pay for it as long as you can guarantee me the package can arrive in time .  
 Person2:  OK . All the registered airmail packages can be received in 5 working days .  
 Person1:      I see . How much do I need to pay in total for this package ?  
 Person2:  It's 500 dollars .  
 Person1:      Can I have the receipt ? Just in case I can trace it if something goes wrong .  
 Person2:  Sure ! Please just fill in your I . D . number and ways to contact you here .  
 Person1:      Do I need to include my zip code in the address ?  
 Person2:  You had better include that because it is easier for the mailmen to find the correct mailing address .  
 Person1:      Thank you very much . Here is 500 dollars .  
 Person2:  Here is your receipt . Contact us if your friend still doesn't receive the package after 5 work days . 

0