TASK DEFINITION: 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'.
PROBLEM: Person1: Darling , this dress is for you . I hope you like it .
Person2:Oh , very beautiful . Thank you , Steven , I like it very much .
Person1: Your birthday is coming , and I think this dress suits you . Why not try it now ?
Person2:My birthday present ? I can't help telling you that I am a happy woman , darling . I will come back soon . ( Go to her bedroom and wear the new dress , then show it to Steven . )
Person1: It fits me exactly . How does it look like ?
Person2:It displays your slender figure , darling .
Person1: The most important thing is that you bought it for me . I am happy that you know my size and style .
Person2:Because you are my dear wife .

SOLUTION: informal

PROBLEM: 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 .

SOLUTION: informal

PROBLEM: Person1: You mean it shuts off to save energy ?
Person2:Yep . And it breathes , see !
Person1: It's not breathing !
Person2:Yes , it is . Look at the little light ! It blinks off and on .
Person1: Jen , it's not alive ... but it does look user-friendly .
Person2:I would look so cool carrying this around !
Person1: And you'd look so cool !

SOLUTION:
formal