Teacher: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'.
Teacher: Now, understand the problem? Solve this instance: Person1: I'm here to conduct the annual census of foreigners living in Beijing . This is my service ID card .
Person2:OK.What do you want to know ?
Person1: We only need to verify your information against our records .
Person2:OK .
Person1: Please show me your passport and Residence Permit .
Person2:Here you are .
Person1: How long have you been living here ?
Person2:Two years .
Person1: May I know your occupation ?
Person2:I'm a professor at a university .
Person1: Is that right ? Which university , if you don't mind my asking ?
Person2:I teach at Beijing Normal University , English composition and some conversational classes .
Person1: Everything appears to be in order . Thank you for your time .
Student:
formal