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'.

[Q]: Person1: Would you like me to fill out the form ?
Person2:I suppose so , but don't rush . I've got to tell you how to do it .
Person1: That's very kind of you .
[A]: informal

[Q]: Person1: Who is responsible for the accident ? Is it Tony ' s fault ?
Person2:No . I don ' t suppose he ' s to blame . The man in the other car made a big mistake .
Person1: You mean Tony is the victim ? No , I don ' t think so . He ' s equally responsible because he tried to overtake you .
Person2:Yeah . I think everyone should go easy on driving .
[A]: formal

[Q]: Person1: Hello , Ann ! Is that you ?
Person2:Yes , it is . Hi , Tom ! It's a real surprise to see you here .
Person1: It's been a long time ! What's new ?
Person2:Nothing much . What about you ? Is everything going well ?
Person1: Not bad I guess . I just got back from Hawaii .
Person2:How was it ?
Person1: I had a good time . You seem to be in a hurry . Don't let me hold you up .
Person2:Sorry , I've got a meeting in half an hour .
Person1: Ok , I won't keep you then .
Person2:Great ! It's good to see you . Goodbye !
Person1: Yes , stay in touch . Bye !
Person2:Give me your email , would you ?
Person1: Sure ! It's txyb@gmail.com .
[A]:
informal