Question: who started the tradition of coloring easter eggs
[{'answer': 'early Christians of Mesopotamia', 'provenance': [{'wikipedia_id': '9324', 'title': 'Easter egg', 'start_paragraph_id': 1, 'start_character': 943, 'end_paragraph_id': 1, 'end_character': 974, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9324', 'title': 'Easter egg', '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': 12187011757903205753}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9324', 'title': 'Easter egg', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 1272, 'bleu_score': 0.926277861595947, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 12187011757903205753}, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '9324', 'title': 'Easter egg', 'section': 'Section::::Abstract.', 'start_paragraph_id': 1, 'end_paragraph_id': 1, 'meta': {'evidence_span': ['This custom of the Easter egg can be traced to early Christians of Mesopotamia, and from there it spread into Russia and Siberia through the Orthodox Churches, and later into Europe through the Catholic and Protestant Churches', 'This custom of the Easter egg can be traced to early Christians of Mesopotamia,']}}]}]