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: Good morning Mike !
Person2:Morning Sally ! What's up ? you seem in a hurry !
Person1: I am having an exam at nine , It's already eight thirty .
Person2:Don't worry , I'll drive you .
Person1: Thank you very much !
Person2:How are your cases coming along ?
Person1: Very well , thanks , I will probably finish next week , but this is still a lot of work , I have been worked on in for six months , and i ' m so closed to end . I can feel it .
Person2:Wow , Good for you.It sounds like a lot of work . I'm proud of you ! Is this the right building ?
Person1: Yes , It's only eight forty . Thanks so much !
Person2:You're welcome.Good luck , bye !
Person1: Have a nice day , bye !
[EX A]: informal

[EX Q]: Person1: Hi Julie , how are things going ?
Person2:Everything is great , Tad . How are you ?
Person1: I'm doing really well .
Person2:Tad , I'm pretty hungry right now . Want to walk over and check out the food table ?
Person1: Julie , do you know who that woman is over there by the window ?
Person2:That is Mary . I heard that she's just moved in with Lee .
Person1: I thought that he was with Malia .
Person2:Oh , that relationship is history . Malia hooked up with a guy she met on holiday .
Person1: I bet that Lee wasn't too happy with that !
Person2:Actually , he was OK with it . They hadn't been getting along too well .
[EX A]: informal

[EX Q]: Person1: Don't worry . I'm sure you'll do better next time .
Person2:I didn't realize it was so difficult though I know I'm always too nervous in such competition .
Person1: It doesn't matter . Forget it .
Person2:I don't think I performed well .
Person1: Oh ! That's much hetter than I did .
Person2:Can you tell me how to improve myself ?
Person1: There's no secret at all . The only thing for you to do is to practice more . You will succeed .
Person2:Thank you for your encouragement .
Person1: It's a pleasure . Come on . I'm on your side .
[EX A]:
informal