Definition: 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:  Person1:       Hey , Ray , what are you doing right now ?  
 Person2:Not much . Joann . Do you want to hang out ?  
 Person1:        Yes , I do . I ’ m at home myself right now with nothing much to do .  
 Person2:Me , too . What would you like to do ?  
 Person1:        Well , we could go to a movie . Have you see Shrek 2 ?  
 Person2:I have , actually . How about the movie , Million Dollar Baby with Clint Eastwood ?  
 Person1:        Hmm ... I ’ Ve seen that , too . We could go for a walk in the park .  
 Person2:We could , but it looks like it ’ s going to rain soon .  
 Person1:        I guess that ’ s out . Why don ’ t we go shopping ?  
 Person2:I ’ d really rather not . I ’ ll be too tempted to buy something that I can ’ t afford !  
 Person1:        Ok . I guess we ’ d be not do that , either , then . What do you want to do ?  
 Person2:I don ’ t know . Do you want to go bowling at the new bowling alley on 1st street ?  
 Person1:        I would like to , but I injured my wrist last weekend .  
 Person2:Let ’ s see . Do you want to go to a bar and sing some karaoke ?  
 Person1:        That sounds interesting , but I can ’ t drink alcohol with the medicine I ’ m taking .  
 Person2:Doesn ’ t sound like that ’ s be fun , then . Do you want to come here ?  
 Person1:        I don ’ t have a car .  
 Person2:Goodness , we ’ re not having much luck here , are we ?  
 Person1:        No . do you have a car ?  
 Person2:No , but I could take the bus .  
 Person1:        Oh , good . Why don ’ t you take the bus to mine and we could play Mah Tiang ?  
 Person2:That sounds great ! Have you eaten ?  
 Person1:        Not yet . I ’ ll cook dinner and have it ready by the time you get here .  
 Person2:Perfect . Are you prepared to give me all your money ?  
 Person1:        Huh ? We are going to play for money , aren ’ t we ?  
 Person2:Oh , right . I suppose so . As long as you promise to lose !  
 Person1:        Hey ... as long as I ’ m not alone on a Saturday night , I don ’ t really care what I do !  
 Person2:See you soon .  
 Person1:        Bye ! 

informal