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: Hello ! What are you reading about in the newspaper ?
Person2:Hello ! I was exhausted some studying , so I decided to read the newspaper to relax . Unfortunately , the news is so depressing . There has been another murder in the city center . I ' m shocked that the police haven ' t caught the killer yet .
Person1: People are starting to get frightened by it . Everyone will be relieved when they finally catch the murder .
Person2:You mean " if " they catch the murderer . I ' m scared stiff about going into the city center at night .
Person1: There must have been some good news in the newspaper . I can ' t believe that none of the news stories make you happy or excited .
Person2:Well , there was one good piece of news . You remember the local girl who was dying of a rare blood disease ?
Person1: Yes . Her parents were raising money to have her treated in the united states .
Person2:Well , they ' Ve got the money and she ' s going tomorrow for treatment .
Person1: I ' m so happy for the family ! They must be very relieved and excited about that .
Person2:I ' m sure they are . Oh , and a local man won the lottery . I ' m so jealous ! I wish it were me ! I buy a lottery ticket every week and I ' m amazed that I haven ' t even won a small prize yet . It ' s so unfair !
Person1: Don ' t be moody ! I hope you ' re not tired , because we ' Ve been invited to a party this evening . I know how excited you get about parties .
Output:
informal