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 am considering going for the new job that was posted yesterday . 
 Person2:Are you certain that that is what you want to do ? 
 Person1:        It may not be the best choice for me , but I am considering it . 
 Person2:Why do you think that this would be a good move ? 
 Person1:        I believe that this job would allow me to move up but might be a little boring for me . 
 Person2:Yes , there are always pros and cons to making a career change . 
 Person1:        Also , the matter of pay is also a consideration . 
 Person2:I think the slight pay decrease might be worth it . The benefits are much better . 
 Person1:        Yes , sometimes giving up a little to move forward is the best choice . 
 Person2:I think you should definitely apply for the position . 

formal