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:       Mrcrabby , I ’ m pleased to see you .  
 Person2:I ’ Ve looked over your resume , ms.Jane . I see you ’ Ve already have quite a lot of experience in secretary work , could you tell me something about your talent with that company ?  
 Person1:        Oh , yes , I worked there for two years , just graduated from college .  
 Person2:En ?  
 Person1:        It was a good company to work for , I enjoyed my time with them .  
 Person2:You like that work ?  
 Person1:        Yes , I like it very much , the work was not very demanding , and the people I work with were friendly .  
 Person2:Why do you want to leave the company ?  
 Person1:        Because it is an age of challenges , I must accept the new challenge in my life . 

formal