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:       Good morning , may I help you ?  
 Person2:Hello , I want to remit one thousand Yuan to Magnolia Company .  
 Person1:        Please fill out this form , please .  
 Person2:OK ... Do I put on Magnolia Company for the receiver ?  
 Person1:        Yes . You must put on its name and full address .  
 Person2:OK , I see . Here you are . Is that OK now ?  
 Person1:        Let me check . Yes . Your one thousand remittance , please .  
 Person2:Here you are . What is the rate ?  
 Person1:        This rate is one percent . That will be 10 Yuan .  
 Person2:OK , when will this remittance arrive ?  
 Person1:        Generally it will arrive within a week .  
 Person2:That's good . Is there anything else ?  
 Person1:        No . That's all . You have to take good care of this copy of this transfer order .  
 Person2:Thanks , I will . 

formal