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'.
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Question: Person1: Hi , Ellen . That outfit looks terrific !
Person2:Thanks , Jim . I didn ' t think guys paid attention to stuff like that .
Person1: No , we just don ' t usually admit it !
Person2:Well , thanks for the compliment anyway !

Answer: informal

Question: Person1: What's taking you so long ?
Person2:Don't worry . I'm almost finished .
Person1: I need you to hurry up .
Person2:All right . I'm finished .
Person1: I think there's more you need to do .
Person2:What do you mean by that ?
Person1: My hair looks awful .
Person2:What don't you like about it ?
Person1: I just don't like my hair .
Person2:I'm sorry that you don't like it .
Person1: I won't be paying you for this .
Person2:I'm sure we can work something out .

Answer: informal

Question: Person1: Tom , aren ' t you a little too old to be trick-or - treating ?
Person2:What are you talking about ? Where is your Halloween spirit ? Didn ' t you ever dress up in a costume and go around the neighborhood trick-or-treating with your friends ?
Person1: Of course , I did , but when I was ten ! Trick - or-treating is for kids , plus , I ' m sure people will think you ' re a kidnapper or something , running around with kids NCP at night .
Person2:Whatever , I ' m going next door I heard Mrs . Robinson is giving out big bags of M & Ms !

Answer:
informal