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'.
--------
Question: Person1: Wow ! Look at the time . lt's about 11 0 ' clock .
Person2:Really ? I didn't realize it was so late .
Person1: I've got to catch the last bus . See you later .

Answer: informal

Question: Person1: What are the requirements to apply for the position ?
Person2:Your major must be computer .
Person1: Do you think my educational background suits this position ?
Person2:Yes , I ' m quite satisfied with your qualifications .
Person1: Does this job require that new employees take any kind of training course ?
Person2:Generally speaking , training new members is usually necessary . We offer our new employees a one-week training course .
Person1: Could you tell something about the job ?
Person2:Yes , of course . You will be responsible for the designing and developing new products and also be in charge of the evaluation of the software programs including complex software systems to ensure product features and operation complaints .
Person1: Oh , I see . I believe I can do the job well .

Answer: informal

Question: Person1: Will you be done doing my hair soon ?
Person2:Give me a little while longer .
Person1: How much time do you need ?
Person2:There you go . How do you like it ?
Person1: I think it looks gorgeous .
Person2:You think it looks nice ?
Person1: I honestly think it looks great .
Person2:Thanks . I'm glad that I did a good job .
Person1: How much is it for my hair ?
Person2:Just give me $ 55 .
Person1: Thanks for doing such a good job .
Person2:No problem , girl friend . I'll see you next time .

Answer:
informal