Some billboards can be blank.Logical formLearned from9 sentences. A project can be blank.Logical formLearned from9 sentences. A time can be blank.Logical formLearned from9 sentences. (Television screens) can be blank.Logical formLearned from9 sentences. A person may write a blank check.Logical formLearned from9 sentences. A tape may go blank.Logical formLearned from9 sentences. A (user name) can be blank.Logical formLearned from9 sentences. A country can be a blank slate.Logical formLearned from9 sentences. Positions can be blank.Logical formLearned from9 sentences. A backdrop can be blank.Logical formLearned from9 sentences. Support can be a blank check.Logical formLearned from9 sentences. A page may remain blank.Logical formLearned from9 sentences. A stock can be blank.Logical formLearned from9 sentences. A term can be blank.Logical formLearned from9 sentences. A document can be blank.Logical formLearned from9 sentences.