Question: how did early humans make use of stones during the prehistoric period
[{'answer': 'start fires', 'provenance': [{'wikipedia_id': '34068431', 'title': 'Prehistoric technology', 'start_paragraph_id': 1, 'start_character': 377, 'end_paragraph_id': 1, 'end_character': 388, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'hunt', 'provenance': [{'wikipedia_id': '34068431', 'title': 'Prehistoric technology', 'start_paragraph_id': 1, 'start_character': 390, 'end_paragraph_id': 1, 'end_character': 394, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'bury their dead', 'provenance': [{'wikipedia_id': '34068431', 'title': 'Prehistoric technology', 'start_paragraph_id': 1, 'start_character': 400, 'end_paragraph_id': 1, 'end_character': 415, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'to start fires , hunt , and bury their dead'}, {'provenance': [{'wikipedia_id': '34068431', 'title': 'Prehistoric technology', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 415, 'bleu_score': 0.9684940092844061, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2376794292825270473}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '34068431', 'title': 'Prehistoric technology', 'start_paragraph_id': 0, 'start_character': 0, 'end_paragraph_id': 0, 'end_character': 0, 'bleu_score': 1.0, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 2376794292825270473}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '34068431', 'title': 'Prehistoric technology', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['Prehistoric technology is technology that predates recorded history. History is the study of the past using written records. Anything prior to the first written accounts of history is prehistoric, including earlier technologies. About 2.5 million years before writing was developed, technology began with the earliest hominids who used stone tools, which they may have used to start fires, hunt, and bury their dead.', 'Prehistoric technology is technology that predates recorded history. History is the study of the past using written records. Anything prior to the first written accounts of history is prehistoric, including earlier technologies. About 2.5 million years before writing was developed, technology began with the earliest hominids who used stone tools, which they may have used to start fires, hunt, and bury their dead.\rhighlight sentence(s) containing evidence, not only the answer', 'About 2.5 million years before writing was developed, technology began with the earliest hominids who used stone tools, which they may have used to start fires, hunt, and bury their dead.']}}]}, {'provenance': [{'wikipedia_id': '37799196', 'title': 'Prehistory of the United States', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['The prehistory of the United States comprises the occurrences within regions now part of the United States of America during the interval of time spanning from the formation of the Earth to the documentation of local history in written form. At the start of the Paleozoic era, what is now "North" America was actually in the southern hemisphere. Marine life flourished in the country\'s many seas, although terrestrial life had not yet evolved. During the latter part of the Paleozoic, seas were largely replaced by swamps home to amphibians and early reptiles. When the continents had assembled into Pangaea drier conditions prevailed. The evolutionary precursors to mammals dominated the country until a mass extinction event ended their reign.', 'The prehistory of the United States comprises the occurrences within regions now part of the United States of America during the interval of time spanning from the formation of the Earth to the documentation of local history in written form. At the start of the Paleozoic era, what is now "North" America was actually in the southern hemisphere. Marine life flourished in the country\'s many seas, although terrestrial life had not yet evolved. During the latter part of the Paleozoic, seas were largely replaced by swamps home to amphibians and early reptiles. When the continents had assembled into Pangaea drier conditions prevailed. The evolutionary precursors to mammals dominated the country until a mass extinction event ended their reign.\rhighlight sentence(s) containing evidence, not only the answer']}}]}]