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 still busy today ?  
 Person2:It seems to be . How about you today ?  
 Person1:        Fine , honey . Rome couldn't be built with in one day .  
 Person2:OK , I'll find the time to relax soon .  
 Person1:        Take care , honey . I am always expecting you . 

informal