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'.

Input: Consider Input: Person1: Good afternoon . Reservations . May I help you ?
Person2:Yes , I'm calling from Tenga Company . I'd like to know if you have rooms available for the nights from October 8 to October 12 . We are going to have a business conference .
Person1: May I ask how many people there will be in the party ?
Person2:20 persons .
Person1: What kind of room would you like ?
Person2:Double rooms with twin beds .
Person1: A moment please , sir . Yes , I can confirm 10 rooms for those days .
Person2:Thank you . Is there a special rate for a group reservation ?
Person1: Yes , there is a 10 percent discount .
Person2:That is fine .

Output: formal

Input: Consider 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 .

Output: formal

Input: Consider Input: Person1: Oh dear , Miss , you are soaked ! Wow , it's really raining heavily outside .
Person2:Yes , it sure is . I had to run here from work ! I need to rush as I'm on my lunch break .
Person1: Well please , why don't you go ahead of me in line ? I'm in no hurry .
Person2:Oh , that's so nice of you ! Thank you very much .
Person1: My pleasure Miss . Actually , could you recommend what to eat here ? I've never been here before .
Person2:Sure . Well , the avocado sandwich is delicious , and it's the healthiest thing on the menu . Personally , I think the beef salad is the tastiest choice . I usually get that . Also , the milkshakes are the best milkshakes in town !
Person1: Well , thanks for the suggestions .
Person2:Oh , don't mention it .
Output: informal