Buildings can be efficient.Logical formLearned from124 sentences. A building can be a landmark.Logical formLearned from124 sentences. Demand can be for (building materials).Logical formLearned from124 sentences. A building may kill some persons.Logical formLearned from124 sentences. A building can be a headquarters.Logical formLearned from124 sentences. A male may buy a building.Logical formLearned from123 sentences. A south end may pertain-to a building.Logical formLearned from123 sentences. A castle may undergo a building.Logical formLearned from123 sentences. A pipeline may undergo a building.Logical formLearned from123 sentences. A building may undergo an (observation deck).Logical formLearned from123 sentences. A building can be apt.Logical formLearned from123 sentences. Buildings can be related.Logical formLearned from123 sentences. A (federal building bombing) may pertain-to a US-city.Logical formLearned from123 sentences. A building can be in a capital.Logical formLearned from122 sentences. A building can be in downtown.Logical formLearned from122 sentences.