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'.
--------
Question: Person1: Where can I buy textbooks ?
Person2:First , you need to have the list of books for your class . Do you have that ?
Person1: Yes , I have that .
Person2:Well , when you have that , you can take it over to the bookstore . Can you find it ?
Person1: No , I don't know where the bookstore is .
Person2:Just pass the gym and it's the first door on your left . Were you aware that you can also turn in your old textbooks for money ?
Person1: Really ? How can I do that ?
Person2:Take your used textbooks with you and give them to the representative near the entrance . He will pay you for them . Are you going today ?
Person1: No , I can't make it today .
Person2:I could help you with buying your books if you meet me there at 1
Person1: No , thanks . I'm good .
Person2:I'll see you later then . Have a great day !

Answer: informal

Question: Person1: Did you make it to school today ?
Person2:I always do . Did you go to school today ?
Person1: No , I didn't .
Person2:You should have , but have you seen any movies lately ?
Person1: That was an odd change of subject .
Person2:Maybe it was , but answer the question .
Person1: No , not recently .
Person2:I want to go to see a movie this weekend .
Person1: What's stopping you then ?
Person2:I don't want to go alone .
Person1: So , will you be at school tomorrow ?
Person2:No , I want to go to the movies instead .

Answer: formal

Question: Person1: Daniel , would you like to have a look at my dorm ?
Person2:Of course , I'd like to .
Person1: It is a small room , just for 4 people .
Person2:What is in it ?
Person1: It only has 4 beds and 4 writing desks , but it is spacious and bright .
Person2:Do you get along with your roommates ?
Person1: Of course . They are very friendly .
Person2:Which floor are you on ?
Person1: We are on the 5th floor , and there's a very nice view from the balcony .
Person2:Oh , you can climb the stairs as a workout .
Person1: Yes , that's a good idea .
Person2:Wow , your roommates are cleaning the room .
Person1: Let's give them a hand .

Answer:
formal