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:       I ’ d like to open a current account .  
 Person2:Certainly . May I see your social security and your ID Please .  
 Person1:        Here your are . I wonder how much interest can I earn for my current account .  
 Person2:Oh . Current account don ’ t pay our interest .  
 Person1:        Why is that ?  
 Person2:It ’ s primarily design for business transactions . That is write checks to pay the bills , buying things and sending money . We won ’ t expect a large amount of deposit in current account .  
 Person1:        I see . How do I draw money from my news then . 

formal