I'm a professor, and I'm a student, and I'm a student, and I'm a student, and I'm a student, and I'm a student, and I'm a student, and I'm a student, and I'm a student, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I'm a teacher, and I's a teacher, and I's a teacher, and I's a teacher, and I's a teacher, and I's a teacher, and I's a teacher,