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:       I need order in the court !  
 Person2:I am ready to make my plea .  
 Person1:        What do you plead ?  
 Person2:I plead not guilty .  
 Person1:        All the evidence indicates that you are guilty .  
 Person2:I realize that , but I am not guilty .  
 Person1:        Is that right ?  
 Person2:I had nothing to do with the crime that was committed .  
 Person1:        Who is the guilty party ?  
 Person2:I ’ ll tell you if you let me go .  
 Person1:        I ’ d be glad to make a deal with you .  
 Person2:I am willing to tell you that information . 

formal