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'.

[EX Q]: Person1: I really hate to say this , but don't go away mad , just go away .
Person2:I knew this would happen some day .
Person1: Then , why didn't you try to prevent it in the beginning ?
Person2:Well . It's not all my fault , Anna . You are responsible , too .
Person1: I don't want to argue anymore . Please get out of my life !
Person2:I think we can still talk .
Person1: No way ! Please don't follow me around .
Person2:Talk it easy , Anna . You really don't hate me . do you ?
Person1: Yes , I do . Leave me alone !
[EX A]: informal

[EX Q]: Person1: I haven ' t met Bob for years . How is he ?
Person2:He has been keeping bach after divorce .
Person1: He would have recovered from the stress and got married again .
Person2:Once bitten , twice shy . He said he would rather keep bach than to live in disgust .
[EX A]: formal

[EX Q]: Person1: Well , I've got a date . Now I need to find a restaurant . Can you help me ?
Person2:No problem , of course ! How much would you like to spend to impress the lady ?
Person1: Nothing but the best for a pretty woman !
Person2:Sir , the restaurant you seek is right here . This hotel has a three-star restaurant .
Person1: Well , I sort of suggested that we would go out on the town . Do you have another suggestion ?
Person2:Gramercy Tavern is at least as good as our own hotel restaurant . Plus , they have live jazz .
Person1: Gramercy Tavern , eh ? I think I've heard of that before . Call to get us a table , okay ?
Person2:Right away , sir . She will be impressed with your local knowledge .
[EX A]:
formal