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 , my name ' s Karl . My wife and I are moving in next door .
Person2:Hello , Karl . I ' m Chuck Jones . We ' re going to be neighbors .
Person1: I ' m happy to meet you . It seems everyone in town is so friendly .
Person2:This is a small town , and we like to be neighborly . We know everyone who lives around here .
Person1: Well , I ' m from Chicago . There few people take the time to get to know their neighbors .
Person2:So , tell me , Karl , why did you come all the way to Minnesota to live ?
Person1: We wanted to live in a more peaceful community and have more space . Another reason is , we can afford to buy a home here , but we can ' t in Chicago !

A: formal
****
Q: Person1: I work so hard that I do not have the energy to exercise .
Person2:That is just an excuse.You can always find some time to exercise .
Person1: But I work hard all the time for long hours . Often I have no time for lunch . Yet , I am still getting fatter .
Person2:Bill , you know that work is not the same as exercise as it is stressful but not relaxing.And skipping meals will not help you lose weight.In fact your body will only store fat if you miss meals .
Person1: I know you're right , but what can I do ?
Person2:How about going for a walk instead of sitting on the sofa reading the newspaper after dinner every night ?
Person1: But I'll miss the news.It ' s important in my business to keep up with events in China .
Person2:I know , I know.Have you got a portable radio ? You can listen to the news and get healthy at the same time .
Person1: That's a good idea !

A: informal
****
Q: Person1: How time flies !
Person2:May and Danny have already grown up .
Person1: I can still remember our first date .
Person2:Look at that big tree over there .
Person1: Yeah , oh my god ! It's still there . We have our first date right on there .
Person2:Do you know that I fell in love with you at the first sight .
Person1: You were dull at that time .
Person2:But you agreed to go out with me at last .
Person1: I can't believe this for it's been 20 years since we got married .

A:
informal
****