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:       Have you figured out where you want to transfer to ?  
 Person2:I can ’ t think of where to go .  
 Person1:        Where would you like to go to school ?  
 Person2:I really don ’ t know .  
 Person1:        You can ’ t think of anything ?  
 Person2:I really like where I ’ m at now .  
 Person1:        So , why don ’ t you just stay here ?  
 Person2:That may be what I ’ m going to do .  
 Person1:        It ’ s a perfectly good school .  
 Person2:You ’ re absolutely right .  
 Person1:        Do you know what you ’ re going to do now ?  
 Person2:I ’ m just going to stay at PCC . 

formal