A (blanket ban) can be indefinite.Logical formLearned from3 sentences. Protection can be indefinite.Logical formLearned from3 sentences. A suspension of flights can be indefinite.Logical formLearned from3 sentences. A garrison can be indefinite.Logical formLearned from3 sentences. Knowledge can be indefinite.Logical formLearned from3 sentences. A (return date) can be indefinite.Logical formLearned from3 sentences. Payments can be indefinite.Logical formLearned from3 sentences. An eligibility can be indefinite.Logical formLearned from3 sentences. A waiting can be indefinite.Logical formLearned from3 sentences. An object can be indefinite.Logical formLearned from3 sentences. Presence of forces can be indefinite.Logical formLearned from3 sentences. Ages can be indefinite.Logical formLearned from3 sentences. A variability can be indefinite.Logical formLearned from3 sentences. A (project period) can be indefinite.Logical formLearned from3 sentences. An occupation can be indefinite.Logical formLearned from3 sentences.