Q: 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'.
Person1: I heard that you're going on your first date Friday night .
Person2:Are you angry , Lisa ?
Person1: Angry ? Why would I be ?
Person2:Please don't tell my mom .
Person1: Come on . Dating is a part of young people's social life . Besides , you're sixteen already .
Person2:I'm glad that you see it that way .
Person1: Do you want to borrow my coat ? I have a black coat that would look smashing on you .
Person2:Thank you so much , Lisa !
A:
informal