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'.

Q: Person1: Hi , Ellen . That outfit looks terrific !
Person2:Thanks , Jim . I didn ' t think guys paid attention to stuff like that .
Person1: No , we just don ' t usually admit it !
Person2:Well , thanks for the compliment anyway !

A: informal
****
Q: 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 .

A: informal
****
Q: Person1: I can't wait to go skiing tomorrow .
Person2:I know . It's going to be so much fun .
Person1: I always get excited the day before .
Person2:I used to be like that . But I go skiing so often that I don't get excited anymore .
Person1: I only go skiing twice a year , so it's a real treat for me .
Person2:That makes sense .
Person1: What things make you excited ?
Person2:Whenever I go to Vegas , I get really excited .
Person1: Oh ... that makes me excited too !
Person2:Looks like anything fun makes you excited .

A:
informal
****