Eyes can be vacant in expression.Logical formLearned from4 sentences. An office of (vice chair) can be vacant.Logical formLearned from4 sentences. A legislative seat can be vacant.Logical formLearned from4 sentences. A corner can be vacant.Logical formLearned from4 sentences. Posts may fall vacant.Logical formLearned from4 sentences. An (office block) can be vacant.Logical formLearned from4 sentences. A parliamentary seat can be vacant.Logical formLearned from4 sentences. A (man area) can be vacant.Logical formLearned from4 sentences. A (man boundary) can be vacant.Logical formLearned from4 sentences. Dozens can be constituted-of-or-filled-with vacant lots.Logical formLearned from4 sentences. A seat may be left vacant by an election.Logical formLearned from4 sentences. A building can be vacant for some years.Logical formLearned from4 sentences. A (medal spot) can be vacant.Logical formLearned from4 sentences. A brain can be vacant.Logical formLearned from4 sentences. A (finance portfolio) may stay vacant.Logical formLearned from4 sentences.