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 , what sort of drinks do you want ? Gatorade or water ?  
 Person2:Gatorade . It ’ s rich in Vitamin and it gives us energy and vitality .  
 Person1:        Yes , that ’ s the exact thing we need . One for each .  
 Person2:What should we do , now with Jack out of the game ?  
 Person1:        We should choose from the backups .  
 Person2:That ’ s right . Spraining the ankle and breaking the leg are the common things during the match .  
 Person1:        That ’ s why we should learn to protect ourselves . Otherwise , the game is not worth the candle .  
 Person2:That ’ s for sure . During the back court , we should change the position we played .  
 Person1:        Yes , I played shooting guard , I like shooting and you ’ ll play inside , OK ?  
 Person2:I agree with you . I think we ’ ll play much better than before .  
 Person1:        Wow , the cheer-section is coming . The music is so fantastic .  
 Person2:Yeah , look how passionate they are ! Are they professional ?  
 Person1:        Well , you should ask your friend . You know I ’ m not the boss . Just kidding .  
 Person2:Oops ! I almost forget about it . Do you see the girl in the middle of the first line ?  
 Person1:        Yeah , what ’ s up ?  
 Person2:Don ’ t you think she looks like your daughter ?  
 Person1:        I also have a doubt . Oh , kill me softly , she is May . 

informal