Question: mention two outstanding features of the renaissance art
[{'answer': 'the use of proportion', 'provenance': [{'wikipedia_id': '311401', 'title': 'Renaissance art', 'start_paragraph_id': 49, 'start_character': 12, 'end_paragraph_id': 49, 'end_character': 33, 'bleu_score': 1.0, 'section': 'Section::::Techniques.\n'}]}, {'answer': 'foreshortening', 'provenance': [{'wikipedia_id': '311401', 'title': 'Renaissance art', 'start_paragraph_id': 30, 'start_character': 696, 'end_paragraph_id': 30, 'end_character': 710, 'bleu_score': 1.0, 'section': 'Section::::History.:Early Renaissance in Italy, 1400–1495.\n'}]}]