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:       So Vicky , how long have you held your present position ?  
 Person2:I ’ Ve been a secretary for two years , before that I was at university .  
 Person1:        And how do you like working for IBM ?  
 Person2:It ’ s challenging , I feel I have learned a lot .  
 Person1:        What ’ s strength do you bring to the job ?  
 Person2:I get along well with people , and I enjoy working with others .  
 Person1:        That ’ s good . We always need team players here . 

formal