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:       It seems to me that you are on very good terms with him . 
 Person2:We actually met at a dance party . He fell for me . 
 Person1:        He must be all over you the first time he saw you . 
 Person2:He said that I put all other girls in the shade . 
 Person1:        That means he was head over heels in love with you . 
 Person2:Well , he indeed likes me . 
 Person1:        But I think he can't hold a candle to you . I don't think he has ever popped the question . 
 Person2:No , he is the sort of man who likes to hide his candle under a bushel . 

informal