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:       Are you going to vote ?  
 Person2:I am so excited to be voting .  
 Person1:        Do you know who you ’ re going to vote for ?  
 Person2:I am so impressed with the candidate I ’ m going to vote for .  
 Person1:        What ’ s so great about him ?  
 Person2:I feel that he is very intelligent .  
 Person1:        Oh , really ?  
 Person2:Yes , and I agree with all his policies .  
 Person1:        That ’ s good to hear .  
 Person2:I think this man is going to be the next President .  
 Person1:        I hope so .  
 Person2:I ’ m going to make sure and get my vote in . 

informal