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: Charles , have you finished your homework ?
Person2:Not yet , Grandma , What's the matter ?
Person1: I want you to have a walk with me .
Person2:I'll finish soon .

A: formal
****
Q: Person1: Wake up sleepyhead.The sun is beginning to shine . What a lovely summer day !
Person2:Yeah , clearly blue sky.But it is a bit too hot for me . I don't like heat and humidity .
Person1: It's not that hot . It's cooler than yesterday . Let's go swimming !
Person2:That's a thought . It's still early , and the beach isn't crowded at this time of the day . If we don't stay too long , we won't get sunburned .
Person1: Yeah , sounds like fun . I can wear my new pink bikini .
Person2:There won't be anyone there to appreciate how cute you are .
Person1: Who cares ! Well , the smart guys get there early . That's the kind of guy I want to meet . Let's go !
Person2:If you are going to husband hunting in a bikini , then I want to wear one , too .
Person1: Ok , you could borrow one of mine .
Person2:Thanks , how about the green and black one ?
Person1: No problem . Here it is .

A: informal
****
Q: Person1: As you know I ' Ve been thinking about moving my career in a new direction . I am hoping that you will be able to provide me with a reference to help me jump-start my future .
Person2:I realize that I ' m not in a position to offer you the kind of promotion you deserve I'll gladly do what I can to help .
Person1: Thank you . I ' Ve really enjoyed my time here . I've grown both personally and professionally with this company .
Person2:And , as well as being a pleasure to work with , you ' Ve been instrumental in helping us complete many key projects .
Person1: It will be hard to say good-bye . This office has become like a second home to me .
Person2:My feelings are mixed on the issue too . By helping you I ' m losing a valuable and trusted employee . However I think you are taking a step in the right direction .

A:
informal
****