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: Did you hear who won the English speech contest ?
Person2:No , who won ?
Person1: It's George .
Person2:Really ? I'm surprised . I didn't know his English was that good .

A: informal
****
Q: Person1: this bloody computer !
Person2:what seems to be the problem ?
Person1: my computer just crashed again for the third time today !
Person2:what were you doing when it crashed ?
Person1: i was just opening up an attachment in an email about winning the lottery .
Person2:I think that might have been a virus .
Person1: oh , no ! I thought it seemed a bit strange .
Person2:what kind of computer do you have , a Mac or a PC ?
Person1: it's a PC . doesn't everyone have a PC in this office ?
Person2:no , some people have Macs now , too .
Person1: what's the difference ?
Person2:PCs often crash from virus , but it's nearly impossible to get a virus from a Mac .
Person1: I didn't know that .
Person2:has your computer turned back on yet ?
Person1: yes .
Person2:did you end up losing any of your work ?
Person1: fortunately , I saved my work right before it crashed , so it should be OK .
Person2:you should probably call the IT department and have them check your computer for virus .
Person1: that's a good idea . I'll call them now . Thanks for your help !

A: informal
****
Q: Person1: Excuse me , I'm a little lost . Which bus do I take to get to Shi Da ?
Person2:Let's see . From here , you have to take the 278bus .
Person1: Oh ok , where do I get off ?
Person2:You should get off at the first Shi Da stop .
Person1: Ok , thanks ...
Person2:You're new at this , huh ?
Person1: No , is it difficult ?
Person2:No , it's quite simple . When you get on , just ask the bus driver when to pay the fare and where you want to get off .
Person1: How much does it cost ?
Person2:Only 15 NT per section . Oh look , that is your bus .
Person1: Wow , I can't thank you enough .
Person2:Don't mention it .

A:
informal
****