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:       How long have you been in this company ?  
 Person2:I came two years ago after I graduated from college . This is my first job .  
 Person1:        You must have found much difference between working in company and studying in college .  
 Person2:Of course ! Everyday , there is a deadline to meet . Bosses watching and testing me all the time , not liking in college , handed in paper months later and tested on schedule . It is so busy . But anyway , I have trying my best to be a good employee .  
 Person1:        Well , you ’ Ve adapted yourself very well . Everyone in our office thinks you ’ Ve made a great progress in the past two years . What is your secret ?  
 Person2:It is so encouraging to hear this remark . The secret is to make plans . Write down your goals , short-term and long-term and make detail plans for a week or a month . Then just work hard . 

informal