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: Would you please teach me how to use the computer ?
Person2:Sure , let's take a look at the menu first .
Person1: Do I have to turn on the computer ?
Person2:yes , we can look at the computer and computer menu at the same time . And this will help us understand both better .
Person1: What should I learn first ?
Person2:Right now I'll teach you to open files , save files and copy files . Are you ready ?
Person1: I am ready I am going to get , let's start !
[EX A]: informal

[EX 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 !
[EX A]: formal

[EX Q]: Person1: Would you like to come to our party ?
Person2:I'd like to . But I'm not myself today .
Person1: what happened ? You look so pale .
Person2:It's the end of the world for me .
Person1: What makes you say that ?
Person2:Today , I'm told I failed three courses .
Person1: Oh , that's too bad . Work harder next term .
Person2:I'm such a fool that duplication of effort is only a waste of time to me .
Person1: Don't loose heart . Everything will be fine .
Person2:I hope so .
[EX A]:
formal