Question: who came up with the slogan i'm lovin it
[{'answer': 'Justin Timberlake', 'provenance': [{'wikipedia_id': '3283883', 'title': "I'm Lovin' It (song)", 'start_paragraph_id': 1, 'start_character': 65, 'end_paragraph_id': 1, 'end_character': 82, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]