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:       hi , my name's Abby . What's your name ? 
 Person2:I'm colin . It's nice to meet you . What do you do ? 
 Person1:        I'm a freelance English teacher . How about you ? 
 Person2:I'm in between jobs at the moment . 
 Person1:        what kind of job are you looking for ? 
 Person2:I'd like to find a job with flexible hours in the IT field . 
 Person1:        have you ever thought about becoming a freelance IT consultant ? 
 Person2:no . Is it difficult to find such a job ? 
 Person1:        not if you are good at net-working . Do you like to meet new people ? 
 Person2:yes . I'm pretty out-going and friendly . 
 Person1:        do you have experience in the IT field ? 
 Person2:I have some . I worked in the IT department at a language school for four years in Spain . 
 Person1:        do you speak Spanish ? 
 Person2:yes , but not fluently . 
 Person1:        that's OK . Have you sent your CV out to anyone yet ? 
 Person2:I've sent my CV to dozens of companies but nobody has got back to me . 
 Person1:        did you write a clear objective in your resume ? 
 Person2:no , because I didn't know what I wanted to do . 
 Person1:        I think you need to update your CV . Bring it over to my office tomorrow and I'll help you with it . 
 Person2:thanks , I will . I'll see you tomorrow then ! 

informal