Acres can be vacant.Logical formLearned from25 sentences. A part can be vacant.Logical formLearned from25 sentences. A floor can be vacant.Logical formLearned from25 sentences. A title may be declared vacant.Logical formLearned from25 sentences. A bed can be vacant.Logical formLearned from25 sentences. A (light middleweight title) can be vacant.Logical formLearned from25 sentences. Houses can be vacant.Logical formLearned from24 sentences. Seats may remain vacant.Logical formLearned from24 sentences. A mind can be vacant.Logical formLearned from24 sentences. Premises can be vacant.Logical formLearned from24 sentences. A top post can be vacant.Logical formLearned from24 sentences. A (lightweight championship) can be vacant.Logical formLearned from23 sentences. A (world title) can be vacant.Logical formLearned from23 sentences. Blocks can be vacant.Logical formLearned from23 sentences. Some offices can be vacant.Logical formLearned from23 sentences.