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: Did you hear about Neil ?
Person2:No , what ?
Person1: I hear that he's quitting .
Person2:You're kidding !
Person1: I'm afraid not ! Now this is just between you and me .
answer:
informal

question:
Person1: I think he deserved his gold .
Person2:Did you see his last dive .
Person1: Yes , it's perfect !
Person2:He's diving for the gold .
answer:
informal

question:
Person1: How did you get into hip hop ?
Person2:Well , all my friends listen to it , so I became a big fan too .
Person1: Who is your favorite hip hop artist ?
Person2:I'm a big fan of Snoop Dog .
answer:
informal