Given the task definition and input, reply with output. 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'.

Person1: Can you read what this says ?
Person2:Yes , and you could too if your hair wasn't hanging down in your face .
Person1: Don't dis my hair ! I like it like this .
Person2:You like it , but it's getting to be a handicap for you .
Person1: Hey , that's enough about my hair .
Person2:I know a great hairdresser not far from here and she is cute too .
Person1: I don't go to hairdressers because they're cute .
Person2:Did I mention she's good at cutting hair too ?
formal