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:       My mother and my wife are always holding different ideas . 
 Person2:If you are really in love with your wife , you should be in support of her . You can ’ t have it both ways , of course . 
 Person1:        You mean I should please her by following her suggestion . 
 Person2:Yeah . Love me , and love my dog . 

informal