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:       Morning , Tom .  
 Person2:Hi , Mary .  
 Person1:        You seem to be in a hurry .  
 Person2:Yes . I ’ Ve got a meeting in a minute .  
 Person1:        Okay . I won ’ t hold you up then .  
 Person2:Right . I ’ ll see you later .  
 Person1:        See you later . 

informal