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:       Quite a few people are laid off these days . 
 Person2:Yeah . It is not easy for them to find another job . 
 Person1:        University graduates have difficulty finding a job too . There seems to be more and more competition in the job market 
 Person2:It is strange that some people are quitting their jobs in order to find a better one . What do you think ? Do you want to quit your job ? 
 Person1:        No . Not now . I think I'll try to keep this one . 

formal