A cell can be empty.Logical formLearned from51 sentences. Drawers can be empty.Logical formLearned from51 sentences. Fields can be empty.Logical formLearned from51 sentences. Cupboards can be empty.Logical formLearned from51 sentences. An expression can be empty.Logical formLearned from51 sentences. (Bank accounts) can be empty.Logical formLearned from51 sentences. A dishwasher can be empty.Logical formLearned from51 sentences. A (hotel room) can be empty.Logical formLearned from51 sentences. A playground can be empty.Logical formLearned from50 sentences. An interior can be empty.Logical formLearned from50 sentences. Boats can be empty.Logical formLearned from50 sentences. A column can be empty.Logical formLearned from50 sentences. Offices can be empty.Logical formLearned from50 sentences. A mailbox can be empty.Logical formLearned from50 sentences. The sky can be empty.Logical formLearned from50 sentences.