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: Could you tell me the right time , please ?
Person2:Well , my watch says five past two , but it's no use relying on it , because it has been gaining and losing these last few days .
Person1: You'll have to get it fixed .
Person2:Yes , I will .
[EX A]: formal

[EX Q]: Person1: Hey , Jack , where's your car ?
Person2:I got rid of that clunker . This is my new one .
Person1: Is that right ? It sure beats the old one ?
Person2:Jump in , I'll give you a ride .
Person1: Ok . Boy , this looks expensive .
Person2:Yeah , it costed a bundle alright .
Person1: Wow , this's sinking a hole .
Person2:Yeah , this sucker is the fastest thing I've ever owned .
Person1: I believe it . Hoo , this car corners like it's on rails .
Person2:We are on the high way . I'm the * * .
Person1: Wow , this car can really burn rubber .
Person2:It's a great feeling .
Person1: You made a perfect choice , Jack .
Person2:Thanks , Daisy .
[EX A]: informal

[EX Q]: Person1: I visited the Polar Aquarium today .
Person2:Is it like a zoo of polar animals ?
Person1: Almost . There are a lot of polar animals sea birds , such as seals , whales and penguins , People don't get much chance of seeing them .
Person2:It must have been fun seeing those unusual animals and birds .
Person1: Absolutely . To be frank , I learned quite a lot about those animals and polar areas . I'm thinking of my kids there one of these days .
Person2:Maybe you should let me know about your plan . I want to take my kids there some day . too .
[EX A]:
formal