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 husband goes out drinking with his friends every night . I'm fed up with it . 
 Person2:Maybe you two should go see a marriage counselor . 

informal