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 , my name is Martin . You've applied for the Laboratory Assistant's position , right ? 
 Person2:Yes . When I saw the advertisement I thought it would really suit me . 
 Person1:        Can you tell me why you replied to our advertisement ? 
 Person2:I think that I'll be really good at this kind of work . In fact I learn so fast that I'll be looking for promotion very shortly . 
 Person1:        Do you know exactly what you would be doing as a Laboratory Assistant ? 
 Person2:A laboratory assistant helps to maintain scientific equipment , keep a check on the supplies in the store , and prepare the chemicals for experiments . 
 Person1:        What sort of student do you regard yourself as ? Did you enjoy studying while you were at school ? 
 Person2:I suppose I'm a reasonable student . I passed all my tests and enjoyed studying subjects that interested me . 
 Person1:        What were your favorite subjects at school ? 
 Person2:Maths and chemistry were my favorite subjects at school . I also enjoyed history . 
 Person1:        Do you have any plans for further study ? 
 Person2:Well , I've thought about doing the part-time Chemistry Certificate course at Technical College . I think I would really benefit from doing that . 
 Person1:        Have you ever had a job before ? 
 Person2:Yes . I have worked part-time at a take away food store-the one just round the corner . 
 Person1:        We have a lot of other applicants for this position . Why do you think that you deserve to get the job ? 
 Person2:Well , I've found out a lot about this type of work and my research suggests that I would be quite capable of doing the work involved . I also think that I would be able to handle any training course reasonably well . 
 Person1:        I think I have asked you everything I wanted to . Thank you for coming along to the interview . 
 Person2:Thank you . When will I know if I am successful ? 
 Person1:        We'll be in touch with you by telephone or by mail within a week . Well . Goodbye . 
 Person2:Goodbye . 

formal