Instructions: 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: You're spending a very long time on my hair .
Person2:I'm almost done .
Person1: I needed you to be done and finished an hour ago .
Person2:I'm all done now .
Person1: Are you sure you're finished ?
Person2:I don't understand .
Person1: You did a horrible job on my hair .
Person2:What's wrong with it ?
Person1: I don't like anything about it .
Person2:I apologize .
Person1: That's fine , but I'm not paying for it .
Person2:Excuse me ? Let's try to work this out , okay ?
Output:
informal