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: Do you think that climate change is responsible for the recent floods ?
Person2:It could be . There are floods in this country almost every year , but in recent years they have been more widespread and more frequent .
Person1: It seems that the climate in this country is changing .
Person2:The summers are hotter . The last three summers have been the hottest for the past 200 years . There have also been stronger winds .
Person1: I think that the changing climate is a sign that we are causing too much damage to the environment .
Person2:I think you ' re right . Climate change naturally over time , but I think that human activities are speeding up the change . I wish that government would join together and try to resolve the problem .
Person1: Me too . If we don ' t do something soon , It might be too late .
[EX A]: formal

[EX Q]: Person1: Take care , Peter . Don't run so fast.Are you tired ?
Person2:Oh , yes . May I sit on the grass ?
Person1: No , you mustn't sit on the grass.Don ' t you see the notes ?
Person2:Yes , I can see it.But what's on it ?
Person1: It says Keep off the grass !
Person2:Well , there's a bench under the tree.We can sit there .
Person1: Be careful.You can't smoke here .
Person2:Why not ?
Person1: Can't you see the notes there ? It says No smoking here .
[EX A]:
formal