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:       Here's Copellini's , my cousin's store .  
 Person2:Sounds like an Italian name with an “ i ” at the end .  
 Person1:        Admit it . You just think of Mussolini .  
 Person2:No , I'm an art lover , so I think more of Bellini and Botticelli !  
 Person1:        Ah , yes . The Italians do love the sensual forms of the human body .  
 Person2:Don't we all ... hey ! Your cousin sells gift items ?  
 Person1:        Yeah-all from Italy . See all the saints ? They're important to Roman Catholics . 

informal