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: Are you a wrestler or a boxer ?
Person2:No.Why ?
Person1: Your muscular shoulders and chest impress me so .
Person2:Oh , really ? I go to the rye every day .
[EX A]: informal

[EX 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 !
[EX A]: formal

[EX Q]: Person1: Have you finished washing clothes ?
Person2:I've finished my white clothes . I need to wash the rest .
Person1: Well , when you do your darks , can you wash some of mine too ?
Person2:I can do that . Is there a special way you want them washed ?
Person1: They need to be washed on the gentle cycle .
Person2:Do you have a lot of clothes that need to be washed ?
Person1: There aren't many clothes , is your load big ?
Person2:My load isn't that big .
Person1: If it's a problem , you don't have to do it for me .
Person2:I can do this for you . Don't worry .
Person1: I greatly appreciate this .
Person2:Don't mention it .
[EX A]:
informal