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:       Do you have any work experience in this field ?  
 Person2:Yes . After my graduation from university , I worked as a Customer Service Coordinator in a foreign representative office , and then I transferred to a joint venture as a Market Development Manager . So I am familiar with the market in China .  
 Person1:        What have you learned from the jobs you have had ?  
 Person2:I learned to be patient when dealing with customers complaints and try my best to solve them . In addition , I learned at my previous jobs how to cooperate with my colleagues .  
 Person1:        Does your current employer know you are looking for another job ?  
 Person2:No , I haven't discussed my leaving plans with my current employer , but I am sure he will release me .  
 Person1:        What is your impression of your present company ?  
 Person2:Very good .  
 Person1:        What would your current colleague say about you ?  
 Person2:They would say I'm a dependable and hard worker . 

formal