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:       What did you think of the movie ? 
 Person2:I didn't like it . Not a bit . I couldn't stand the music . Besides the story was so boring that it put me to sleep . 
 Person1:        I noticed that , it was not exciting as I expected , but the music was great . I'm always found Jazz . And that movie had a lot of Jazz . 
 Person2:I know . However , Jazz always annoys me . I really don't enjoy music in a movie . 
 Person1:        I'm sorry to hear that.What kind of movie do you like ? 
 Person2:Anything with a lot of action , I like thrillers and chillers . 
 Person1:        Oh , I see . 
 Person2:Well , I enjoy the popcorn and being with you.You ' re more important than the movie . 
 Person1:        Thanks for the sweet words . 
 Person2:Any time . 

informal