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:       What do you do when you are angry ?  
 Person2:I usually calm down first and think about the reason that caused my anger .  
 Person1:        That ’ s smart . What do you usually do to relieve your anger ?  
 Person2:Something like listening to music is a good idea .  
 Person1:        Oh , what kind of music do you listen to ?  
 Person2:Classic . Something that could calm your mind .  
 Person1:        I think that might work for me as well .  
 Person2:Working out is another good way to relieve anger .  
 Person1:        Like what ?  
 Person2:Jogging , yoga , or even just taking a walk . 

informal