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:       Don ’ t be worried . Please sit down and take it easy .  
 Person2:How could I feel easy ? I ’ m really pissed .  
 Person1:        But you should avoid finger-pointing when you haven ’ t got the real facts .  
 Person2:Ok . I ’ ll try my best to calm down first . 

informal