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'.
Q: Person1: I need help finding a gift for my daughter .
Person2:Would she like a laptop ?
Person1: That sounds like a good idea .
Person2:A Mac is a very popular brand .
Person1: She mentioned a Mac . How much is it ?
Person2:A 15 - inch Pro model is $ 2,100 plus tax .
Person1: That sounds like a great price . I'll take one .
Person2:This is a gift she'll cherish for years . How do you want to pay ?
Person1: I'll use my VISA .
Person2:We're almost through . Just sign here , please .
Person1: Just take it home and plug it in ?
Person2:She'll be online 20 minutes after she opens the box .
Person1: She's going to be so pleased with this .
Person2:Remember us for all your computer needs .
A:
informal