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 . 
 Person2:Er , good morning , yes , er ... 
 Person1:        I'm phoning about the job that was in the paper last night . 
 Person2:Oh , yes . Arm , well , could you tell me your name , please ? 
 Person1:        Oh , Candida Fawcett . 
 Person2:Oh , yes . Arm , well , what exactly is it that interests you about the job ? 
 Person1:        Well , I just thought that it was right up my street you know . 
 Person2:Really , mmmm . Arm , well , could you perhaps tell me a little about yourself ? 
 Person1:        Yes , arm , I'm 23 . I've been working abroad , I'm um ... 
 Person2:Where exactly have you been working , please ? 

formal