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'.
Problem: Person1: Are you watching the soccer match tonight ? It must be the most exciting one in this season .
Person2:Well , of course I can ' t miss it . Which team are you for ?
Person1: Manchester United . What about you ?
Person2:Me too . Do you think they are going to get the championship this time ?
Person1: I have confidence in them .
Solution:
formal