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'.

Person1: What do you base our grades on ?
Person2:All of your coursework is important , including everything from attendance and homework to all of your test results for the semester .
Person1: Does the final count the most ?
Person2:All of it is important ; please just do your best at all times .
Person1: How do you total our scores ?
Person2:The final and mid-term are twenty percent each ; homework , attendance , and quizzes are the rest .
Person1: What if we are out sick ?
Person2:Make sure you contact me as I only allow one unexcused absence .
Person1: How can we know if we are doing OK during the year ?
Person2:Your grade will not be a surprise ; you will know what you need to work on .
formal

Person1: Hi , Fanny .
Person2:Hi , Andy .
Person1: Are you feeling OK ? You sound a little tired this morning .
Person2:I did not sleep much last night . I really feel bad . It was a crazy night .
Person1: What happened ?
Person2:I had a bad dream . I was walking alone in the graveyard , and suddenly all the ghosts jumped out of their graves . They began to chase me through the graveyard and shouted that they wanted my blood .
Person1: Oh , what a nightmare ! Then what happened ?
Person2:My mother woke me up . She had heard me crying out for help .
Person1: You have got a great mother .
Person2:I felt embarrased . After all , I am 18 years old . Mom gave me some chocolate cookies and a glass of milk .
Person1: That sounds good !
Person2:Yeah , but i was afraid to fall back asleep . I am worrying about getting into the University of Michigan .
Person1: Me too . But I tell myself that if they don ' t accept me , another school will .
formal

Person1: Dad , I want to learn how to drive this summer vacation .
Person2:That's a good idea . You'd better hurry up before they've filled all classes . Many people are learning how to drive now .
Person1: I will get registered now at once . Do you know any training schools ?
Person2:I am not sure . You can search for them on the Internet .
Person1: OK . look , I've typed driver schools , and there are so many results coming out .
Person2:Let me see . teetee Training School , summer program , 3,000 Yuan , learn how to drive within one month , and get driver's license within three months .
Person1: 3,000 Yuan is a little bit steep .
Person2:I think so . Let's see the next one , 3,500 Yuan , summer program . Forget it .
Person1: I've heard that the Ideal Life School is famous . They offer many programs and there are many classes available . The charge is also fair .
Person2:Search on the Internet then , see if we can find something more about it .
Person1: Ah , got it . Ideal Life School , programs
Person2:Don't worry . Let's check out some other schools .
informal