Vacancies may be filled by co-option.Logical formLearned from8 sentences. A vacancy can be ministerial.Logical formLearned from8 sentences. A vacancy may be filled by election.Logical formLearned from8 sentences. A casual vacancy can be in a legislature.Logical formLearned from8 sentences. A series can be constituted-of-or-filled-with vacancies.Logical formLearned from8 sentences. Vacancies may be occurred.Logical formLearned from8 sentences. A vacancy can be in an office of governor.Logical formLearned from8 sentences. Vacancies may pertain-to a government-agency.Logical formLearned from8 sentences. A governor may fill a vacancy.Logical formLearned from8 sentences. A vacancy can be in an office of chairman.Logical formLearned from8 sentences. Vacancies can be on an executive-committee.Logical formLearned from8 sentences. A vacancy can be in a board.Logical formLearned from8 sentences. Vacancies may occur during a year.Logical formLearned from8 sentences. Vacancies may be filled on a basis.Logical formLearned from8 sentences. A status may pertain-to a vacancy.Logical formLearned from8 sentences.