Question: what did paleolithic and neolithic not have in common
[{'answer': 'abundance of leisure time', 'provenance': [{'wikipedia_id': '22860', 'title': 'Paleolithic', 'start_paragraph_id': 20, 'start_character': 306, 'end_paragraph_id': 20, 'end_character': 331, 'bleu_score': 1.0, 'section': 'Section::::Human way of life.\n'}]}, {'provenance': [{'wikipedia_id': '22860', 'title': 'Paleolithic', 'start_paragraph_id': 20, 'start_character': 0, 'end_paragraph_id': 20, 'end_character': 642, 'bleu_score': 0.9550237800704321, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13978589205417628767}, 'section': 'Section::::Human way of life.\n'}]}]