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: Who stands out in your mind as a man or woman of sound character ?
Person2:If I think of famous people , I think of Abraham Lincoln .
Person1: He's the US president , who walked five miles just to give a lady her change , isn't he ?
Person2:That's the one . He also was famous for never giving up on his goals .
Person1: That's right . He ran for office quite a few times before he was finally elected .
Person2:And I also admire him for his courage in fighting for equal rights .
Person1: He had great vision , didn't he ?
Person2:And humility . I would have liked to meet him personally .

A: informal
****
Q: Person1: Oh !
Person2:What fools we were !
Person1: To think of it ! All my old silver ! It meant so much to me .
Person2:And my new car . To think that he simply drove off with everything in my car . That's what hurts me most .
Person1: What's so terrible too , is the fools we've made of ourselves .
Person2:I hardly dare call the police . They'll just laugh at us .
Person1: I'll never get over it . Oh , Harry , it was all so unnecessary . That man ! ! How could he do this to us after we'd put him up ?
Person2:And his story didn't even hold together . I feel such an idiot .

A: informal
****
Q: Person1: Where do you have to go .
Person2:To New York .
Person1: When do you have to be there .
Person2:Tomorrow morning .
Person1: How long do you have to be there ?
Person2:Three days .
Person1: When will you be back ?
Person2:On Friday .

A:
formal
****