A land can be vacant.Logical formLearned from2 020 sentences. A seat can be vacant.Logical formLearned from2 006 sentences. Positions can be vacant.Logical formLearned from1 727 sentences. A position can be vacant.Logical formLearned from1 585 sentences. A title can be vacant.Logical formLearned from971 sentences. Seats can be vacant.Logical formLearned from929 sentences. A seat can be vacant.Logical formLearned from894 sentences. Buildings can be vacant.Logical formLearned from892 sentences. Homes can be vacant.Logical formLearned from838 sentences. A space can be vacant.Logical formLearned from803 sentences. A post can be vacant.Logical formLearned from764 sentences. A house can be vacant.Logical formLearned from660 sentences. A building can be vacant.Logical formLearned from650 sentences. A post can be vacant.Logical formLearned from601 sentences. A position can be vacant.Logical formLearned from584 sentences.