instruction:
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'.
question:
Person1: Have you run into your cousin Jimmy lately ?
Person2:As a matter of fact , I have . I ran into him just the other day .
Person1: How's he doing ?
Person2:Not too well . He had to have four teeth pulled last week .
Person1: He did ? That's too bad !
Person2:I think so , too .
Person1: Next time you see him , please tell him I'm thinking of him .
Person2:I'll be sure to do that .
answer:
informal

question:
Person1: Can I get you any dessert ?
Person2:Yes , I'd like to try the blueberry pie .
Person1: Excellent choice . ( He brings her the pie . After she finishes , the waiter comes back . ) Would you like anything else ?
Person2:No , I'm stuffed . I'm ready for the check .
Person1: Here you are . Thank you and have a nice evening .
Person2:Thank you .
answer:
informal

question:
Person1: Hi Mike . What have you been up to ?
Person2:Not much . I started exercising .
Person1: Trying to get in shape ?
Person2:Yeah , and I need to start improving my health .
Person1: Me too . What are you doing besides exercising ?
Person2:That's about all .
Person1: I think if you eat better , it will help tremendously .
Person2:Sleep is good too . I heard people who sleep an average of eight hours a day have less health problems .
Person1: Looks like there are a lot of things to do to stay healthy .
Person2:True . But I think it is worth it . When you get old , you want to be healthy and active .
answer:
formal