Question: what structure separates the contents of the nucleus cytoplasm
[{'answer': 'cytosol', 'provenance': [{'wikipedia_id': '5184', 'title': 'Cytoplasm', 'start_paragraph_id': 1, 'start_character': 271, 'end_paragraph_id': 1, 'end_character': 278, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]