A benefit may pertain-to (fellow instructors).Logical formLearned from17 sentences. Students may inform an instructor.Logical formLearned from17 sentences. Reasons can be acceptable to an instructor.Logical formLearned from17 sentences. Approval can be by an instructor.Logical formLearned from17 sentences. Signature may pertain-to an instructor.Logical formLearned from17 sentences. Mathematics may pertain-to an instructor.Logical formLearned from17 sentences. An instructor may insist that something-is-the-case.Logical formLearned from17 sentences. An instructor may have an option.Logical formLearned from17 sentences. A (music instructor) may be seduced by a student.Logical formLearned from17 sentences. A job may pertain-to an instructor.Logical formLearned from16 sentences. A male may serve as an instructor.Logical formLearned from16 sentences. An instructor may pertain-to a government-agency.Logical formLearned from16 sentences. A male may serve as a flying instructor.Logical formLearned from16 sentences. A (flight instructor) may pertain-to a military-or-other-action-organization.Logical formLearned from16 sentences. An instructor can be in advance.Logical formLearned from16 sentences.