A bracket can be empty.Logical formLearned from9 sentences. Backpacks can be empty.Logical formLearned from9 sentences. Folders can be empty.Logical formLearned from9 sentences. A (campaign rhetoric) can be empty.Logical formLearned from9 sentences. Levels can be empty.Logical formLearned from9 sentences. A person may feel empty that something-is-the-case.Logical formLearned from9 sentences. An university can be empty.Logical formLearned from9 sentences. Some tables can be empty.Logical formLearned from9 sentences. A past can be empty.Logical formLearned from9 sentences. A (flower pot) can be empty.Logical formLearned from9 sentences. A tin can be empty.Logical formLearned from9 sentences. A walkway can be empty.Logical formLearned from9 sentences. A female may come empty.Logical formLearned from9 sentences. A job can be empty.Logical formLearned from9 sentences. A theme can be empty.Logical formLearned from9 sentences.