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 do you think a job means to you ?  
 Person2:It is a way to make a living , but beyond this it's a way of fulfilling one's development . It can prove your ability .  
 Person1:        May I ask you why you left the job ?  
 Person2:I left the job because of expiry of my employment contract . Besides I have accumulated a lot of experience in this sort of job . I want to seek better jobs . 

formal