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: I'd like to talk with you again about what happened .
Person2:Oh , come on . Let's not beat a dead horse .

SOLUTION: informal

PROBLEM: Person1: Well , humans could never make something like that .
Person2:Those poor Egyptians slaves worked so hard and you want to give aliens all the credit !
Person1: Be a little more open-minded , Stu ! Don't believe everything you read in your history books !
Person2:OK , but don't believe everything you see on The X-files , either !
Person1: Speaking of The X-files , it's on right now !

SOLUTION: informal

PROBLEM: Person1: Are you new here ?
Person2:Yes , I am .
Person1: Is this your first year in college ?
Person2:I actually transferred here from another school .
Person1: Which school ?
Person2:I transferred from PCC .
Person1: How do you like it here compared to PCC ?
Person2:I love it here .
Person1: Do you like it better here or at PCC ?
Person2:Don ' t get me wrong . I like it here , but PCC is better .
Person1: So , why did you leave PCC ?
Person2:Because I got my AA and now I am going towards my bachelor degree .

SOLUTION:
formal