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'.

Example Input: Person1: He has come to life in the end .
Person2:Oh , thank God . We all felt frightened by the bad new about him .
Person1: Yes . Fortunately , an ambulance passed in the nick of time , and we got him away to hospital .
Person2:Right . Unless , who know what will happen .
Person1: Wish him to be healthy soon .
Example Output: informal

Example Input: Person1: Who's that ?
Person2:Saint Jude-he's the saint of lost causes . Like my cousin , Anna , who can't stop getting pregnant . She's a lost cause .
Person1: Is that your cousin in the back ?
Person2:Yep . She's always got a bun in the oven . She was pregnant before marriage-a real sin in the Catholic Church .
Person1: What about birth control pills ? Don't they work on Italians ?
Person2:Ha-ha . Birth control and abortion are four-letter words in my family .
Person1: And I heard that Italian men have very active libidos .
Example Output: informal

Example Input: Person1: I see you have bought the latest copy of beauty and fashion . Are there any interesting articles in it ?
Person2:There ' s an interesting interview with a top fashion designer about the latest fashions . I enjoyed reading her thought . The which ? section is very interesting this month . They tested facial cleaners . T
Person1: I like to take the tests that they print in this magazine .
Person2:Which tests do you mean ?
Person1: You know . Tests like how jealous are you ? and are you a fashion victim ?
Person2:Oh , I see . I like to do those tests , too , but I don ' t take them seriously .
Person1: Of course not , but sometimes the results make you think about yourself and what you do . According to the jealousy test , I ' m quite a jealous type of person . Perhaps I need to control my jealousy .
Person2:You ' re right . It ' s sometimes hard to tell which pages are advertisement and which ones are articles .
Example Output:
formal