Question: during which phase of the cell life cycle does dna replication occur
[{'answer': 'C period', 'provenance': [{'wikipedia_id': '7252', 'title': 'Cell cycle', 'start_paragraph_id': 1, 'start_character': 432, 'end_paragraph_id': 1, 'end_character': 440, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '7252', 'title': 'Cell cycle', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1093, 'bleu_score': 0.837713558502548, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 13057052763268044486}, 'section': 'Section::::Abstract.'}]}]