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 ’ s the plot of your new movie ?  
 Person2:It ’ s a story about a policemen who is investigating a series of strange murders . I play the part of the detective . He has to catch the killer , but there ’ s very little evidence . It ’ s a psychological th  
 Person1:        Did you enjoy making the movie ? We heard stories of disagreement with other actors and with the director .  
 Person2:I have had disagreement with every director . I ’ Ve worked with . We ’ Ve always disagreed in a friendly way and we have always resolved our differences . It was the same when I made this movie . I don ’ t no  
 Person1:        Critics are not very happy with the movies that you ’ Ve made recently . Does that bother you ?  
 Person2:Not at all . The feedback from audience has been great . I care about what they think more than what the critics think .  
 Person1:        Did you do you own stunts in the movie ?  
 Person2:I wanted to , but my insurance company wouldn ’ t let me . All of my stunts were done by a stuntman . As you know , I used to do my own stunts , but I ’ ll leave that to the experts in future .  
 Person1:        Thank you very much for doing this interview .  
 Person2:My pleasure . Have you seen the movie yet ?  
 Person1:        Yes . I have . I liked it very much . Like you , I was very impressed with Rachel ’ s performance in the movie . She ’ s going to be a star . 

informal