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 , Bob , this is Mary .
Person2:Hello , Mary , where do you work ?
Person1: I work for an Internet company .
Person2:Is the pay good ?
[A]: formal

[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 !
[A]: informal

[Q]: Person1: I need some more amenities , please .
Person2:I'm not sure I'm following you , sir .
Person1: Specifically , I'm talking about the little things , like soap and shampoo .
Person2:Oh , now I understand ! So , you've already used up all your amenities ?
Person1: No , I'm not even halfway through my supply .
Person2:I'm losing you , sir . What's the problem ?
Person1: What's the use of going to a hotel if you don't take home souvenirs ?
Person2:Okay , I got it . You're collecting souvenirs !
Person1: There you go . My friends expect me to bring home souvenirs .
Person2:Have you visited our souvenir shop , sir ? It's loaded with all kinds of items .
Person1: I've never paid for a hotel souvenir in my life , and I don't intend to start now .
Person2:Sir , housekeeping will bring you a basketful of amenities momentarily .
[A]:
formal