Teacher: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'.
Teacher: Now, understand the problem? Solve this instance: Person1: I need to buy a bus pass .
Person2:What kind of bus pass would you like to buy ?
Person1: What are the different kinds ?
Person2:You can get a day , weekly , monthly , or student pass .
Person1: Could I get a student pass , please ?
Person2:Sure , can I see your student ID ?
Person1: Sure , here it is .
Person2:Very good .
Person1: How much for the pass ?
Person2:It's free , but the monthly sticker is $ 24 .
Person1: Okay , I'll take it .
Person2:Thank you for your purchase .
Person1: You are welcome .
Student:
informal