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 spend all my time looking after my baby . I'm so tired .  
 Person2:Why don't you ask your husband to help you with it ?  
 Person1:        I've tried it , but he would have none of it . 

formal