Given the task definition and input, reply with output. 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: Has Mien sold his house yet ?
Person2:Yes , he has . He sold it last week .
Person1: Has he moved to his new house yet ?
Person2:No , not yet . He's still here . He's going to move tomorrow .
Person1: When ? Tomorrow morning ?
Person2:No . Tomorrow afternoon . I'll miss him . He has always been a good neighbour .
Person1: He's a very nice person . We will all miss him .
Person2:When will the new people move into this house ?
Person1: I think that they will move in the day after tomorrow .
Person2:Will you see Mien today , Janey ?
Person1: Yes , I will .
Person2:Please give him my regards . Poor Mien ! He didn't want to leave this house .
Person1: No , he didn't want to leave , but his wife did !
formal