Question: what type of hormone can cross a cell membrane easily
[{'answer': 'lipids', 'provenance': [{'wikipedia_id': '328579', 'title': 'Steroid hormone', 'start_paragraph_id': 4, 'start_character': 134, 'end_paragraph_id': 4, 'end_character': 140, 'bleu_score': 1.0, 'section': 'Section::::Synthesis.\n'}]}, {'provenance': [{'wikipedia_id': '328579', 'title': 'Steroid hormone', 'start_paragraph_id': 4, 'start_character': 0, 'end_paragraph_id': 4, 'end_character': 632, 'bleu_score': 0.9796927878356411, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7752053134708942148}, 'section': 'Section::::Synthesis.\n'}]}]