Definition: You are given a conversation between two people. 'Person1:' and 'Person2:' are used to separate their respective dialogues. You are required to assign a label 'formal' if there is an absence of emotion and a presence of questions anywhere within the conversation. If such pattern is not found assign the label 'informal'.
Input:  Person1:       Hello . Can I help you , ma'am ?  
 Person2:Yes . Could you tell me how to send some money to someone with an account with a bank in Germany ?  
 Person1:        Well , you can pay by mail , telegraphic or SWIFT transfer . Or you can have a banker's draft and mail it yourself to the beneficiary .  
 Person2:Which is the best way ?  
 Person1:        It depends on the amount and how fast you want that person to receive the money . A SWIFT transfer is the fastest method but a banker's draft is usually the cheapest . How much do you wanna send ?  
 Person2:$ 800 .  
 Person1:        Why don't you send it by mail payment order ?  
 Person2:How long does it take ?  
 Person1:        About a week .  
 Person2:I don't know . Can I send it more quickly ?  
 Person1:        Sure . You can have a Telegraphic or a SWIFT transfer .  
 Person2:And how long do those take ?  
 Person1:        Both a Telegraphic Transfer and a SWIFT transfer will normally be credited to the payee's account within three or four working days , depending on whether the beneficiary's bank is among our correspondent banks or we have to route the transfer through a third bank .  
 Person2:I see . How can I pay by Telegraphic Transfer ?  
 Person1:        You have to fill out this form , ma'am . 

formal