Detailed Instructions: 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 absolutely love what you're wearing today .
Person2:You do ? I just bought this outfit a couple days ago .
Person1: Seriously , it looks really nice on you . Where did you buy it from ?
Person2:I bought it from the Macy's at the Santa Anita mall .
Person1: I really like that outfit .
Person2:Thanks . I think you look nice today , too .
Person1: Thank you . I just bought these new shoes earlier today .
Person2:Those are nice . What are they ?
Person1: These are some Chucks .
Person2:Those are great . How much were they ?
Person1: I got them for forty .
Person2:I think I might go and find me my own pair of Chucks .
A:
informal