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 planning on voting ?  
 Person2:Yes . What about you ?  
 Person1:        Yes , but this will be my first time voting .  
 Person2:Really ?  
 Person1:        Yes , and I have no idea how to do it .  
 Person2:Voting is simple .  
 Person1:        I don ’ t know any of the laws they ’ re trying to pass .  
 Person2:That ’ s okay . They describe everything on the ballot .  
 Person1:        I didn ’ t know that .  
 Person2:Don ’ t worry . You ’ ll be fine .  
 Person1:        That ’ s good to know .  
 Person2:Congratulations on your first voting day . 

informal