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:       You are going to be really jealous when you find out where I ’ m headed for the holidays !  
 Person2:Don ’ t tell me ! I ’ m sure it ’ s someplace warm and sunny with great beaches !  
 Person1:        You got it ! I ’ m going to spend two fabulous weeks in Hawaii !  
 Person2:You are so lucky ! Send me a postcard ! 

informal