Instructor may confer.Logical formLearned from4 sentences. Topics may be determined by an instructor.Logical formLearned from4 sentences. Instructors may apply.Logical formLearned from4 sentences. A brain may pertain-to an instructor.Logical formLearned from4 sentences. Attention can be from instructors.Logical formLearned from4 sentences. Salaries may pertain-to instructors.Logical formLearned from4 sentences. Instructors can be ineffective.Logical formLearned from4 sentences. (Graduate students) may serve as instructors.Logical formLearned from4 sentences. Instructors can be constituted-of-or-filled-with research.Logical formLearned from4 sentences. Enrollment may require permission of an instructor.Logical formLearned from4 sentences. An instructor may sign a form.Logical formLearned from4 sentences. Instructors may communicate with students.Logical formLearned from4 sentences. Instructors can be supportive.Logical formLearned from4 sentences. (Flight instructors) can be at airports.Logical formLearned from4 sentences. An instructor may demonstrate methods.Logical formLearned from4 sentences.