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'.

[EX Q]: Person1: Peter and Mary broke up .
Person2:Are you serious ?
[EX A]: formal

[EX Q]: Person1: How do you spend your free time ?
Person2:I read or go swimming , go shopping , usually . I run or play tennis or do something else like those to get some exercises to keep fit .
Person1: Are you introverted or extroverted ?
Person2:I wouldn't call myself extroverted . Sometimes , I enjoy being by myself very much . But other times , I like sharing activities with others too , especially during these last few years .
Person1: What kinds of sports do you like ?
Person2:I like almost all sports , and I enjoy both playing and watching . I especially like tennis and mountain climbing .
Person1: What kind of personality do you think you have ?
Person2:Well , I approach things very enthusiastically , I think , and I don't like to leave something half-done . It makes me nervous-I can't concentrate on something else until the first thing is finished .
[EX A]: formal

[EX Q]: Person1: I do feel like a trip to Florida on such a gloomy day in New York , to enjoy the sunshine while lying on the beaches of Florida .
Person2:That's a great idea . It's the best season for tourists in Florida . You can also get a good sun-tan there .
Person1: But if the sunshine is too strong , it might damage the eyes and the skin .
Person2:You can put on your shades . And remember don't make your skin look like a tomato . Or else after that your skin will begin to flake off . You may even wind up with skin cancer .
Person1: I see . Overdoing it will do more harm than good .
Person2:You said it .
[EX A]:
informal