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: Is this the A housing office ?
Person2:Yes , it is . Are you looking for housing for this semester ?
Person1: I was hoping to get into something on campus , but my friend told me that everything is full .
Person2:It is , but I can put you on a waiting list , if you would like .
Person1: Please . And in the mean time , can I look at apartments available in the area from this office ?
Person2:Yes , here is a catalog that is put out every year with locations that meet campus requirements for As .
Person1: Who do I talk to if I want I to see some of them ?
Person2:The individual landlord's numbers are next to each entry . You can call them with any questions you may have .
[A]: formal

[Q]: Person1: What do you plan to do on Sunday morning ?
Person2:Nothing special .
Person1: How about going to English corner with me ?
Person2:Oh , I'd rather not .
Person1: Why not ?
Person2:You know , I am poor at English , especially spoken English .
Person1: That's why you should go there , If you don't dare to speak English owing to the fact that you are afraid of making mistakes , you simply will never learn English .
[A]: formal

[Q]: Person1: Is there any more vodka in that bottle ?
Person2:Hum , I think there's enough for one more , yes .
Person1: Marvelous . Pass it over . My name's George , by the way .
Person2:Nice to meet you , George . I'm Irene .
Person1: So Irene , what do you do ?
Person2:I'm in computing . I work for Macrohard .
Person1: Macrohard , eh ?
Person2:What do you do ?
Person1: I have my own company that designs computer systems .
[A]:
informal