instruction:
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: Susan has been down recently . I saw her this morning , she looked terrible !
Person2:You have any idea why ?
Person1: She broke up with her boyfriend .
Person2:I heard her boyfriend is married .
Person1: She still loves him . That's why she feels upset . Her love is always hard and confusing ...
Person2:Then what about you ? How are you getting on with your boyfriend ?
Person1: He sometimes really drives me crazy .
answer:
formal

question:
Person1: Jack I hear you have a chance to go to college without taking a test . Is that right ?
Person2:The news goes so fast . Ah , yes , I haven't decided yet .
Person1: Don't hesitate . That's a very famous university which a lot of students are longing to attain .
Person2:Maybe you are right . But the major is not fit for me . I like architecture more than computers .
Person1: But this chance is really precious .
Person2:Well , I know . So I am thinking now .
Person1: I hope you can make a clever choice . Anyway , the opportunities around you are not that By .
Person2:Thank you for your kindness . I will think about it carefully .
answer:
informal

question:
Person1: Have you bought another handset
Person2:No , it is the original one .
Person1: This is silver gray , while I remember your handset was black .
Person2:I have changed a case for it .
Person1: Can a handset case be changed ?
Person2:Of course . That's why I bought this type . I can change its case frequently , so it is novel to use it .
Person1: How many cases are accessible ?
Person2:There are two more , one is orange and the other is pink . I have bought them all .
Person1: It's really going to be fresh all the time .
answer:
informal