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: Look , my clothes are wet .
Person2:Mine are wet , too .
Person1: Unexpectedly , a girl threw a bucket of water on me .
Person2:She wished good luck to you .
Person1: The Dai people are enthusiastic .
Person2:Yes .
answer:
informal

question:
Person1: Kim ! I'm here ! I brought all my old maternity clothes plus Dave and Alice's baby clothes !
Person2:It's a little early for those , isn't it ? I still have eight months to go ...
Person1: Believe me , the time will fly by ! Before you know it , you'll be changing diapers ! You have to start preparing !
Person2:I thought we could turn the upstairs study into a baby room . What do you think about lavender ?
Person1: I'll be back tomorrow with my work clothes and a gallon of lavender paint ! You just sit back and relax !
answer:
informal

question:
Person1: Could you tell me what university you want to go to , John ?
Person2:Pardon ?
Person1: What university would you enter ?
Person2:University ? Why ? You asked me last year .
Person1: Oh , I forget . Sorry .
Person2:I went to Harvard University .
Person1: Did you ? And what course did you take there ?
Person2:God save me ! Is there anything wrong with you ? Didn't I tell you ?
Person1: I've not known . Perhaps , I've got a bad memory .
Person2:I did a B . A . in economics . Remember ?
Person1: Terrific ! B . A . , again and again-B . A .
answer:
informal