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: What have you been up to , Johnny ?
Person2:You know-sweeping , scrubbing , washing , drying , waxing , polishing ...
Person1: Wow , your grandma's really having a field day with you , huh ?
Person2:You got that right ... and my mom's still mad about what we did with the dishes .
Person1: You have all the fun , don't you ?
Person2:Listen , I'd better get back to the grindstone .
Person1: Sure thing , Johnny . Watch out for dishpan hands there , kid !
[A]: formal

[Q]: Person1: I can't believe Mr . Fro didn't buy it . Who does that guy think he is anyway ? Bill Gates ?
Person2:He had a lot of nerve telling us our ads sucked .
Person1: Time to order . Balista , today I want a skinny triple latte .
Person2:When did you start worrying about your weight ?
Person1: I'm not . I just don't feel like drinking whole milk today . Why ? Do you think I'm fat ?
Person2:No , Jess , chill out !
[A]: formal

[Q]: Person1: What do you plan to do on Sunday morning ?
Person2:Nothing special .
Person1: How about going to English corner with me ?
Person2:Oh , I'd rather not .
Person1: Why not ?
Person2:You know , I am poor at English , especially spoken English .
Person1: That's why you should go there , If you don't dare to speak English owing to the fact that you are afraid of making mistakes , you simply will never learn English .
[A]:
formal