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: This is the good life ! We have it good don ' t you think ?
Person2:Yeah of course ! Although , don ' t you ever wonder what " could have been " ?
Person1: What do you mean ?
Person2:Well , sometimes I think of how things could have turned out if I had done things a little differently .
Person1: For example ?
Person2:Like for example , if I hadn ' t studied architecture , I would have become an artist like I wanted to .
Person1: I see . Yeah now that I think of it , I wouldn ' t have gotten married if I hadn ' t moved to this town and met Sally .
Person2:You see ! Everything happens for a reason ! We wouldn ' t even have met if I hadn ' t been in that car accident ten years ago !
Person1: Well , I have no regrets !
Person2:I ' ll drink to that !

SOLUTION: informal

PROBLEM: Person1: I need some flowers for my girlfriend .
Person2:No problem . Would you like some artificial carnations ?
Person1: Oh , no . Carnations are not very elegant.Artificial flowers have no passion .
Person2:How much did you want to spend ?
Person1: Money is no object .
Person2:Our most elegant flower is Golden Lily .
Person1: I will take ten .
Person2:Do you want to add some baby ' s breath for that ? They are equally popular now .
Person1: Of course . Can I have it delivered to my girlfriend's house this afternoon ?
Person2:Yes , but there is a five dollars delivery charge .
Person1: That's ok . Here is the address .

SOLUTION: formal

PROBLEM: Person1: What's that book you have under your arm ?
Person2:It's the best seller everyone's been talking about for the last six months .
Person1: How in the world did you get a copy ? I've put a hold on it at the public library for weeks and I'm still waiting my turn .
Person2:I checked it out of the rental library . It only costs five cents a day .
Person1: Is it really worth paying for ?
Person2:I can't tell yet . I haven't got beyond the first chapter .
Person1: If it's any good , I'll buy a copy when it comes out in the pocket edition .

SOLUTION:
informal