Question: Kris Kristofferson, whose songs had been featured on Joan Baez' 1973 compilation "Hits: Greatest and Others," has also been in what music supergroup was with artists Waylon Jennings, Willie Nelson, and Johnny Cash?
{'answer': 'The Highwaymen', 'supporting_facts': [['Hits: Greatest and Others', 0], ['Hits: Greatest and Others', 1], ['Kris Kristofferson', 3]]}