Valves may be shuted to (trap oil).Logical formLearned from9 sentences. Schools may be ordered be shuted.Logical formLearned from9 sentences. A subway may be shuted.Logical formLearned from9 sentences. Firms may be shuted.Logical formLearned from9 sentences. A door may be sealed be shuted by a wall of sand.Logical formLearned from9 sentences. Hundreds of schools may shut doors.Logical formLearned from9 sentences. A door may be shuted from an outside.Logical formLearned from9 sentences. A world-city may shut schools.Logical formLearned from9 sentences. Newspaper may be shuted.Logical formLearned from9 sentences. Offices may shut.Logical formLearned from9 sentences. A country may shut a route.Logical formLearned from9 sentences. Persons may shut eyes to a reality.Logical formLearned from9 sentences. Missions may be shuted for some days.Logical formLearned from9 sentences. A road to (international airport) may be shuted for a day.Logical formLearned from9 sentences. A company may shut a factory.Logical formLearned from9 sentences.