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: 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 !

A: informal
****
Q: Person1: Excuse me , can you recommend some places for us to go tonight ?
Person2:Since it's your first time to Vienna , I think you should go to the concert .
Person1: Good idea . My wife has a fine ear for music . I am sure she would like it .
Person2:Have a nice evening .

A: formal
****
Q: Person1: Okay , let's begin . Hello , everyone . My name's Karl Roberts , and I'll be your teacher for this class , Intercultural Communication .
Person2:( quietly ) I don't understand what the teacher is saying .
Person1: Uh , to begin with , please take a look at the syllabus in front of you . As you all should know by now , this class meets on Tuesdays and Thursdays from 3:15 to 4:50 .
Person2:That's terrible . He speaks too fast . How can I catch his meaning ?
Person1: Again , as you see on your course outline , grading is determined by your performance on a midterm and a final test , periodic quizzes , and classroom participation .
Person2:I'm not sure whether I can pass the course or not .

A:
formal
****