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:       ... The rings please . May this ring be blessed so he who gives it and she who wears it may abide in peace , and continue in love until life ’ s end .  
 Person2:With this ring I thee wed . Wear it as a symbol of our love and commitment .  
 Person1:        Honey , that ’ s my pinkie . The ring goes on the ring finger !  
 Person2:This one ?  
 Person1:        That ’ s my index finger !  
 Person2:Oh , right . This one , right ?  
 Person1:        Umm ... that ’ s the thumb , Nick .  
 Person2:Okay , Okay , I got it ! This is the ring finger !  
 Person1:        That ’ s my middle finger , Nick . This is my ring finger ! 

formal