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: What do you do in your spare time ?
Person2:I listen to music and read .
Person1: What kind of music do you like ?
Person2:I think I like classical music better .
Person1: Actually me , too .
formal