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:       B , what's in your hand ?  
 Person2:Sunday papers . I usually read them after coming back home from our company .  
 Person1:        Why do you read them ?  
 Person2:As you know , I am a sports fan . And these papers are famous for their sports section . So I will feel relaxed after grasping some information I am interested in .  
 Person1:        I got your meaning . Reading is your own solution to solve pressure from busy tasks .  
 Person2:Correct ! What about you , Fred ?  
 Person1:        I often go to the bar near our dorm when I am overtired . I am crazy for drinking wines with special taste .  
 Person2:Don't overdo it .  
 Person1:        Shall we have a drink someday ?  
 Person2:I get drunk easily . 

formal