A grader may assist an instructor.Logical formLearned from4 sentences. An (instructor and/or) may pertain-to a person.Logical formLearned from4 sentences. Students may enroll with a permission of an instructor.Logical formLearned from4 sentences. Encouragement can be from instructors.Logical formLearned from4 sentences. A copy can be to an instructor.Logical formLearned from4 sentences. Instructors may make clear.Logical formLearned from4 sentences. An evaluation can be for an instructor.Logical formLearned from4 sentences. An instructor may set a deadline.Logical formLearned from4 sentences. An instructor may place on reserve.Logical formLearned from4 sentences. (Course instructors) may pertain-to persons.Logical formLearned from4 sentences. Resources can be available to instructors.Logical formLearned from4 sentences. Instructors can be native speakers.Logical formLearned from4 sentences. An instructor may advise a person.Logical formLearned from4 sentences. Instructors may guide students.Logical formLearned from4 sentences. Permission can be from an instructor.Logical formLearned from4 sentences.