Task: Question Generation
Input (English): concept: Boston Celtics  answers:  ['Jeff Green', 'Jason Terry', 'Kevin Garnett', 'Rajon Rondo', 'Fab Melo', 'Brandon Bass', 'Jared Sullinger', 'Avery Bradley', 'Paul Pierce', 'Courtney Lee']
Output (English): what is the boston celtics current roster?