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:       So , this is the worst story I ’ Ve heard this month . You have my real sympathy , Tim .  
 Person2:You know , all I was trying to do was tell the truth but they obviously didn ’ t take it that way .  
 Person1:        I understand how you feel , but you ’ Ve gotta learn to move on .  
 Person2:Yeah , I ’ m dealing with it . Anyway . Thank you , Mike . 

informal