A building can be vacant.Logical formLearned from19 sentences. A road can be vacant.Logical formLearned from19 sentences. A classroom can be vacant.Logical formLearned from19 sentences. A position may remain vacant.Logical formLearned from19 sentences. An apartment can be vacant.Logical formLearned from19 sentences. An eye can be vacant.Logical formLearned from19 sentences. A seat may be left vacant by a death of a male.Logical formLearned from19 sentences. A skyscraper can be vacant.Logical formLearned from19 sentences. A house may remain vacant.Logical formLearned from18 sentences. An affair can be vacant.Logical formLearned from18 sentences. A (featherweight championship) can be vacant.Logical formLearned from18 sentences. Properties can be vacant.Logical formLearned from18 sentences. A spectrum can be vacant.Logical formLearned from18 sentences. A (baby girl) may be abandoned in a vacant lot.Logical formLearned from18 sentences. A space may be left vacant.Logical formLearned from18 sentences.