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 would you describe your ideal job ?  
 Person2:I think the job should make use of the professional experience I have obtained , and offer me opportunity for advancement .  
 Person1:        Why do you think you might like to work for our company ?  
 Person2:I feel my background and experience are a good fit for this position and I am very interested.What ' s more , your company is outstanding in this field .  
 Person1:        What makes you think you would be a success in this position ?  
 Person2:My graduate school training combined with my experience as an intern should qualify me for this particular job . I am sure I will be successful .  
 Person1:        How do you know about this company ?  
 Person2:Your company is very reputed in this city . I heard much praise to your company . 

formal