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: hey , Mary , what's up ?
Person2:not much . Last night I met this great guy at the bar and we had such a wonderful time that we decided to meet again tonight .
Person1: oh , that's exciting . What's this guy like ? Is he hot ?
Person2:well , I didn't think so at first . But as we started talking , I found his extremely funny and witty . I couldn't stop laughing at his jokes ! We have so much in common . We like the same teams , music , a
Person1: it seems you two are a good match . What qualities do you look for in a friend ?
Person2:there's nothing definite I think . I don't have a list or anything , but when I first meet somebody , I can usually tell whether or not that person is going to be a good friend . It seems I have radar h
Person1: well , that's something I've never heard of . But if you as me what I value most in a friend , I would have to say honesty .
Person2:I agree . You can't expect a close relationship with a dishonest person . Those are the people that will turn their back on you when you are in need .
Person1: yeah , I know . A friend in need is a friend indeed . I don't need fair-weather friends either .
answer:
formal

question:
Person1: Matthew ? Hi !
Person2:Steve ! Haven't seen you in ages ! How long's it been ?
Person1: it's got to be almost a year now .
Person2:how have you been ?
Person1: I'm pretty good . I've been looking for a place to live recently . My lease runs out next month and I don't want to renew it .
Person2:yeah , I remember the neighborhood . Have you found a place yet ?
Person1: not yet . I am still looking through the classifieds . Wish me luck .
Person2:well , maybe I can help . Remember my neighbor ?
Person1: Mrs . Thou ?
Person2:yes , her daughter's having a baby , so she's moving in with her to help out . I think if you are interested , you can come over and have a look .
Person1: great . It's a lovely neighborhood . And it would be nice to be neighbors again . It would be just like the old days !
Person2:I'll ask Mrs . Thou when she's available to show the apartment and let you know . Has your number changed ?
answer:
formal

question:
Person1: Irene ! I heard you were on a date last night ! So , how how did it go ? I want all the juicy details !
Person2:Um ... well , actually , we had a fantastic time last night . He was ... amazing !
Person1: Okay , now you really have to fill me in . What ' s he like ?
Person2:He ' s really good looking . he ' s quite tall , around 61 , he ' s in his early thirties , and he ' s got the most beautiful dark brown eyes ...
Person1: He sounds hot ! What does he do for a living ?
Person2:You know what , this is the best part . David is a junior investment banker at Fortune Bank , so he ' s got a great career path ahead of him !
Person1: Hold on a sec , his name is David ?
Person2:Yeah ?
Person1: That ' s my brother !
answer:
informal