Question: what does ted in ted talks stand for
[{'answer': 'Technology , Entertainment , Design', 'provenance': [{'wikipedia_id': '1533342', 'title': 'TED (conference)', 'start_paragraph_id': 1, 'start_character': 21, 'end_paragraph_id': 1, 'end_character': 55, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '1533342', 'title': 'TED (conference)', 'start_paragraph_id': 1, 'start_character': 20, 'end_paragraph_id': 1, 'end_character': 476, 'bleu_score': 0.701705635723044, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 6544160779622720529}, 'section': 'Section::::Abstract.'}]}]