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'.

[EX Q]: Person1: How about you , Chuck ? Where did you grow up ?
Person2:Well , I was born in Ohio , but I grew up in Texas .
Person1: And when did you come to Los Angeles ?
Person2:In 1978 . I went to college here .
Person1: Oh . What was your major ?
Person2:Drama . I was an actor for five years after college .
Person1: That's interesting . So why did you become a hairdresser ?
Person2:Because I needed the money . And because I was good at it . Look ! What do you think ?
[EX A]: informal

[EX Q]: Person1: Excuse me , Professor , I have a problem and need to leave class early .
Person2:Why do you have to leave early ?
Person1: I am not feeling well .
Person2:Could you make it up by attending my other section this week ?
Person1: Yes , it's all taken care of .
Person2:Are you leaving right away or can you stay for a few more minutes ?
Person1: I can stay a few more minutes .
Person2:OK , but please make sure that you get all of your make-up work completed .
Person1: Thanks , Professor . I've got it covered !
Person2:Go do what you have to do , but make sure it doesn't happen again .
[EX A]: formal

[EX Q]: Person1: Good morning , may I help you ?
Person2:We'd like to take a tour to Florence .
Person1: That's a beautiful city . When do you want to go there ?
Person2:We have got a 2 weeks ' vocation and we plan to leave on Thursday .
Person1: Then please have a look at the table , there are so many plans .
[EX A]:
formal