A value can be empty.Logical formLearned from50 sentences. A (dining room) can be empty.Logical formLearned from50 sentences. Values can be empty.Logical formLearned from50 sentences. A market can be empty.Logical formLearned from50 sentences. A stretcher can be empty.Logical formLearned from49 sentences. A fireplace can be empty.Logical formLearned from49 sentences. Houses can be empty.Logical formLearned from49 sentences. A (vodka bottle) can be empty.Logical formLearned from49 sentences. A warehouse can be empty.Logical formLearned from49 sentences. A locker can be empty.Logical formLearned from49 sentences. An airport can be empty.Logical formLearned from49 sentences. Hangers can be empty.Logical formLearned from49 sentences. A plane may stand empty.Logical formLearned from49 sentences. Highways can be empty.Logical formLearned from49 sentences. Roads can be empty.Logical formLearned from48 sentences.