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: Honey , could you help me operate the VD player ? It can't play .
Person2:Oh , are the connections correct ?
Person1: I think so .
Person2:Let me see . Look ! You confused the video frequency with the audio frequency .
Person1: I'm too careless .
Person2:Can it work now ?
Person1: No .
Person2:So what's the problem ? Maybe there is something wrong with the disk .
Person1: It's a new disk .
Person2:Give it to me .
Person1: Here you are .
Person2:Uh , the movie of Tom Hanks . I know why it can't play . This is a DVD disk .
formal