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:       Hi , how are you ?  
 Person2:I'm fine , thanks . Just trying to get adjusted . It's hard to keep track of everything around here .  
 Person1:        That's for sure . You're new , too , huh ?  
 Person2:Yeah . I just got here a couple of days ago . How about you ? 

formal