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:       How can I help you today , Alice ?  
 Person2:Well , I came to talk to you because I want to apply for a scholarship .  
 Person1:        Oh , good . You're an excellent student . I'd be very willing to help you with that .  
 Person2:Thanks . I really appreciate it.In fact , I do need a letter of recommendation for this scholarship .  
 Person1:        What kind of scholarship is it ?  
 Person2:It's an undergraduate scholarship offered by the American Minority Students Scholarship Association . I'm eligible for it because I'm Asian American .  
 Person1:        Fine . I know about that scholarship.You have to be a student in your junior year , and you have to have a grade point average of 3.7 or higher .  
 Person2:I'm a junior now , and my GPA is 3.92 .  
 Person1:        Excellent . So you'll have a good chance of getting it .  
 Person2:Well , I hope so . The competition is probably pretty heavy.And they want a writing sample too .  
 Person1:        Do you have an essay you want to send them ?  
 Person2:No , they want a special essay . I must write an essay on a particular question they pose .  
 Person1:        What is the question ?  
 Person2:They give applicants a topic.The topic is , The Place of Ethnic Minorities in a Democratic Society.My essay must be three pages typed and double-spaced .  
 Person1:        That's a pretty short essay .  
 Person2:Yes , but I need to write it by next week .  
 Person1:        Good luck . I'm sure you will do a good job .  
 Person2:I came here today to talk to you because ... Well , I need to ask two favors .  
 Person1:        Sure . What are they ?  
 Person2:First , I need a letter of recommendation .  
 Person1:        I'd be happy to write one for you .  
 Person2:And second ... Well , I'm not sure if it's normal .  
 Person1:        What is it ? Do you want me to read your essay ?  
 Person2:Yes , if you could . I mean , if you could read it to make sure there are no mistakes.Or maybe you'd have some suggestions .  
 Person1:        Of course I could read it . That's no problem . But you need to get it to me soon .  
 Person2:I will . I want to write the first draft tonight.So I could bring it tomorrow morning .  
 Person1:        Alright . If you can bring it to me tomorrow morning , I can talk with you after class on Friday.So I'll have some feedback for you before the weekend .  
 Person2:That would really help me a lot . I'm very grateful .  
 Person1:        Don't mention it . I'm always willing to help good students . 

informal