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:       I often go to a place of leisure . 
 Person2:Really ? 
 Person1:        I very much like to go to a cafe and doze in the afternoon sunshine . 
 Person2:Sounds great . 
 Person1:        The coffee , books , music and sunshine are just beautiful there . 
 Person2:How nice . 
 Person1:        I may take you there some day . 
 Person2:Good . 

informal