Question: who sang with lionel richie on endless love
[{'answer': 'soul singer Diana Ross'}, {'provenance': [{'wikipedia_id': '2652646', 'title': 'Endless Love (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 498, 'bleu_score': 0.8657512407416551, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 18435885158036813765}, 'section': 'Section::::Abstract.'}]}]