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'.

Example Input: 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 .
Example Output: informal

Example Input: Person1: I ' d love to have my own farm .
Person2:It would be very hard work . Are you sure ?
Person1: I wouldn ' t mind getting up early morning and the physical work would make me fit and healthy .
Person2:Running a farm would be totally different to you current job .
Person1: That ' s one reason I ' d like to try it . I ' d really like to get away from working 9 to 5 in an office .
Person2:You ' d need a lot of training before becoming a farmer . It ' s not something you can just walk into .
Person1: My uncle owns a farm and I ' Ve spent some time working with him . I love being in the countryside with farm animals and green fields .
Person2:Well , I ' d certainly come and visit you . It would be great to take a working holiday on a farm . I ' d love to get away from hustle and bustle of the city for a while .
Example Output: formal

Example Input: Person1: Hello , this is Sunshine Trading Company . Can I help you ?
Person2:Yes . I want to apply for the accountant in your corporation and I think it is not beyond attainment .
Person1: Great . Could you tell me something about cash control ?
Person2:Yes , of course . In accounting , cash means all items that are acceptable for depositing in a bank .
Example Output:
formal