Question: in which phase of cell cycle are chromosomes replicated
[{'answer': 'S phase', 'provenance': [{'wikipedia_id': '7252', 'title': 'Cell cycle', 'start_paragraph_id': 4, 'start_character': 69, 'end_paragraph_id': 4, 'end_character': 76, 'bleu_score': 1.0, 'section': 'Section::::Phases.\n'}]}, {'provenance': [{'wikipedia_id': '7252', 'title': 'Cell cycle', 'start_paragraph_id': 19, 'start_character': 0, 'end_paragraph_id': 19, 'end_character': 471, 'bleu_score': 0.8162625851499291, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 9582691123258649581}, 'section': 'Section::::Phases.:Interphase.:S phase (DNA replication).\n'}]}]