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 hear Jean married a business tycoon . 
 Person2:That's true . Her husband is a fat cat . 
 Person1:        But I don't think she really loves him . 
 Person2:She is only after his money . 
 Person1:        If I were her , I wouldn't marry a man I don't really love . 
 Person2:But many girls nowaday do want to marry a man filthy with dough . 

informal