A calendar can be empty.Logical formLearned from26 sentences. A skirt can be empty.Logical formLearned from26 sentences. A vacuum can be empty.Logical formLearned from26 sentences. A vault can be empty.Logical formLearned from26 sentences. (Plastic containers) can be empty.Logical formLearned from26 sentences. A womb can be empty.Logical formLearned from26 sentences. A cafeteria can be empty.Logical formLearned from26 sentences. A briefcase can be empty.Logical formLearned from26 sentences. A schedule can be empty.Logical formLearned from26 sentences. A museum can be empty.Logical formLearned from26 sentences. A (trust fund) can be empty.Logical formLearned from26 sentences. Accounts can be empty.Logical formLearned from26 sentences. A trunk can be empty.Logical formLearned from26 sentences. A valley can be empty.Logical formLearned from26 sentences. (Film canisters) can be empty.Logical formLearned from26 sentences.