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: Do you think the weather will be good this weekend ?
Person2:I heard it might rain .
Person1: Oh . That ' s a pity . I thought that we might go hiking in the hills .
Person2:Mmm ... Well we could go to that new art gallery instead .
Person1: Yes that might be a better idea .
Person2:Maybe we ' ll meet some of the artists too .
Person1: Ok - let ' s do that then !
informal

Person1: Why are you in such a hurry ?
Person2:I should finish it as soon as possible .
Person1: Don't worry , do it step by step
Person2:Why can I learn it ?
Person1: Don't worry , do it step by step .
Person2:I feel I really stupid .
formal

Person1: Hi , buddy ! How do you deal with your salary ?
Person2:I usually put them into my bank account . I think that is a little secure , though the interest rate is low now .
Person1: Look ! This stock is rising now . I am researching it , and planning to buy some shares .
Person2:Have you invested in the stock market before ?
Person1: No . This is my first time to buy some . You can see that its historical price data is rising now .
Person2:But that is a little risky , you know .
Person1: Hey ! Do you still remember our teacher of economics , Mr . Locker ?
Person2:Of course ! I remember he has a part-time job as a stock analyst .
Person1: I can ask for some advice from him .
informal