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've run out of steam . To be honest , I want to be in a different environment .  
 Person2:Is that so ?  
 Person1:        Yes . I don't want to be stuck in a rut . I want to move on .  
 Person2:Have you decided ?  
 Person1:        Yes , I want to get a better job .  
 Person2:Could you tell me why you want to quit ?  
 Person1:        I'm quitting because of the lousy salary and all the difficulties I have in getting along with my colleagues .  
 Person2:Oh , that sounds terrible . Would you be happier with higher pay here ? I'm sure something can be worked out .  
 Person1:        I'm afraid not . I've promised my girlfriend . We're going to travel south to find jobs that offer higher pay .  
 Person2:OK . I'd like to say that I've really enjoyed working with you.However , I think you should work harder at your new job and then you can ask for higher pay . 

formal