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'.
Input:  Person1:       What ’ s your schedule like this year ?  
 Person2:Pretty busy . I have to pick up a lot of credits this year .  
 Person1:        What ’ s your major ?  
 Person2:I ’ m majoring in French literature .  
 Person1:        Oh , don ’ t you have to take that class on 18th century poetry ? It ’ s really difficult . I hear the students in that class have to write a paper 100 pages long .  
 Person2:That ’ s right . We got the assignment last week .  
 Person1:        When is it due ?  
 Person2:Next Monday !  
 Person1:        Remind me never to sign up for that course ! 

formal