Question: where is the oldest civilization known to man
[{'answer': 'Mesopotamia', 'provenance': [{'wikipedia_id': '710778', 'title': 'Cradle of civilization', 'start_paragraph_id': 1, 'start_character': 242, 'end_paragraph_id': 1, 'end_character': 253, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'Fertile Crescent ( Mesopotamia and Ancient Egypt )'}, {'answer': 'the Fertile Crescent ( Mesopotamia and Ancient Egypt )'}, {'provenance': [{'wikipedia_id': '710778', 'title': 'Cradle of civilization', 'start_paragraph_id': 25, 'start_character': 0, 'end_paragraph_id': 25, 'end_character': 1252, 'bleu_score': 0.7523074396918401, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 106638490123306737}, 'section': 'Section::::The cradles of civilization.:Fertile Crescent.:Mesopotamia.\n'}]}, {'provenance': [{'wikipedia_id': '710778', 'title': 'Cradle of civilization', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 653, 'bleu_score': 0.578663173366003, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 106638490123306737}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '710778', 'title': 'Cradle of civilization', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['A cradle of civilization is a location where civilization is understood to have emerged. Current thinking is that there was no single "cradle", but several civilizations that developed independently, with the Fertile Crescent (Ancient Egypt, Mesopotamia), Ancient India, and Ancient China understood to be the earliest. The extent to which there was significant influence between the early civilizations of the Near East and those of Ea', 'A cradle of civilization is a location where civilization is understood to have emerged. Current thinking is that there was no single "cradle", but several civilizations that developed independently, with the Fertile Crescent (Ancient Egypt, Mesopotamia), Ancient India, and Ancient China understood to be the earliest. The extent to which there was significant influence between the early civilizations of the Near East and those of East Asia (Far East) is disputed. Scholars accept that the civilizations of Mesoamerica, mainly in modern Mexico, and Norte Chico, in the north-central coastal region of Peru, emerged independently from those in Eurasia.', 'A cradle of civilization is a location where civilization is understood to have emerged. Current thinking is that there was no single "cradle", but several civilizations that developed independently, with the Fertile Crescent (Ancient Egypt, Mesopotamia), Ancient India, and Ancient China understood to be the earliest.']}}]}]