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:       I ’ m going to the beauty parlor . Do you want to come too ? 
 Person2:Sure . Let ’ s go . What are you going to have done ? 
 Person1:        I want to have a foot massage and haircut . 
 Person2:A foot massage sounds like a great idea . They are very relaxing . I ’ d also like to have a mudpack on my face . It ’ s supposed to help with your complexion . 
 Person1:        Good idea . We should also pedicures and manicures . 
 Person2:This could become a very expensive trip to be beauty parlour ! 
 Person1:        I think it ’ s a good idea to pamper yourself occasionally . Don ’ t you agree ? 
 Person2:Oh , I agree . We both work hard and a little beauty treatment can relieve stress . 
 Person1:        Maybe we should try a thai massage too . 
 Person2:What ’ s special about a thai massage ? 
 Person1:        That ’ s when the masseuse walk on your back and massage you with her feet . 
 Person2:Sounds painful ! 

informal