A net can be empty.Logical formLearned from45 sentences. Categories can be empty.Logical formLearned from44 sentences. (Food containers) can be empty.Logical formLearned from44 sentences. A (car park) can be empty.Logical formLearned from44 sentences. Water can be empty.Logical formLearned from44 sentences. A section can be empty.Logical formLearned from44 sentences. Darkness can be empty.Logical formLearned from44 sentences. A US-city can be empty.Logical formLearned from44 sentences. A (milk carton) can be empty.Logical formLearned from44 sentences. A jar can be empty.Logical formLearned from44 sentences. A bladder can be empty.Logical formLearned from44 sentences. Tags can be empty.Logical formLearned from44 sentences. Sections can be empty.Logical formLearned from44 sentences. Rituals can be empty.Logical formLearned from44 sentences. A tag can be empty.Logical formLearned from44 sentences.