Question: "On My Mind" is a song by English singer Ellie Goulding that many critics considered an answer to a song recorded by what English singer-songwriter for his second studio album?
{'answer': 'Ed Sheeran', 'supporting_facts': [['On My Mind (Ellie Goulding song)', 0], ['On My Mind (Ellie Goulding song)', 5], ["Don't (Ed Sheeran song)", 0]]}