Question: who sings with taylor swift on end game
[{'answer': 'British singer Ed Sheeran', 'provenance': [{'wikipedia_id': '55728945', 'title': 'End Game (song)', 'start_paragraph_id': 1, 'start_character': 75, 'end_paragraph_id': 1, 'end_character': 100, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'answer': 'American rapper Future', 'provenance': [{'wikipedia_id': '55728945', 'title': 'End Game (song)', 'start_paragraph_id': 1, 'start_character': 105, 'end_paragraph_id': 1, 'end_character': 127, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '55728945', 'title': 'End Game (song)', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 369, 'bleu_score': 0.9250392488272071, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 3372496574807381810}, 'section': 'Section::::Abstract.'}]}]