You will be given a definition of a task first, then some input of the task.
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'.

 Person1:       So , have you seen all three The Lord of the Rings movies ?  
 Person2:Yes , but I didn't really like the third one at all .  
 Person1:        That's the Return of the King , right ?  
 Person2:Yeah . Even though the customs were brilliant , I didn't think it was as good as the first two . What did you think ?  
 Person1:        I thought the special effects were amazing , but I got a bit confused . The plot was too complicated for me .  
 Person2:Did you read the books before you watched the movies ?  
 Person1:        No . did you ?  
 Person2:Yes , I've read them many times . I think it's much easier to follow for people who were already familiar with all the characters .  
 Person1:        Yes , trying to keep track of all the characters was quite confusing for me .  
 Person2:I also think that it was much better in the theatre than at home .  
 Person1:        Most movies are . Another problem for me was the film was dubbed in German with English subtitles .  
 Person2:That happens a lot in non-English speaking countries .  
 Person1:        I heard that The Return of the King was nominated for 11 Oscars .  
 Person2:Actually , they not only had 11 nominations , but they won 11 Oscars , too ! 
Output:
formal