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:       Did you hear ? The state is thinking of legalizing gambling in our city ! Soon we are gonna have amazing hotels and casinos here which will be good for our business !  
 Person2:Are you serious ? Gambling is a vice industry built on deception and fed by the intentional exploitation of human weakness for the sole purpose of monetary gain ! It disgusts me .  
 Person1:        What are you talking about ? How does it exploit people ?  
 Person2:Well , to begin with , Gambling is addictive , ruins marriages , destroys families and bankrupts communities . Once you are addicted it is very difficult to stop . People have lost their houses , cars and been left out on the street after becoming addicted . Secondly , it exploits because men become addicted to gambling most often because of the action and risk . Women gamble to escape , and senior citizens will start gambling for the social interaction . Underage gamblers often start gambling on sports with friends and then illegal bookies .  
 Person1:        Geez ! Now that I think about it , maybe legalizing gambling isn ’ t such a good idea ! Although , I have been to Las Vegas , and I didn ’ t become addicted or anything like that .  
 Person2:You cannot predict who will become addicted to gambling . Now excuse me , I have a protest rally to organize ! 

formal