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:       John , why don ’ t you go and do some gardening ? The lawn needs weeding .  
 Person2:Because I ’ m not in the mood , that ’ s why .  
 Person1:        Well , don ’ t just sit there , do something . Come and help me in the kitchen .  
 Person2:Help you in the kitchen , I don ’ t feel like it .  
 Person1:        Would you like to clear the table then ?  
 Person2:Really ? Do I have to do it ?  
 Person1:        Not , if you don ’ t want to .  
 Person2:Well , isn ’ t there anything you want ?  
 Person1:        Yes , I want to go out . Would you like to come ?  
 Person2:No , why should I ? I don ’ t feel like it . Besides , I ’ m in such a bad mood . 

formal