Question: who plays in hall of fame game 2018
[{'answer': 'Baltimore Ravens', 'provenance': [{'wikipedia_id': '2411607', 'title': 'Pro Football Hall of Fame Game', 'start_paragraph_id': 5, 'start_character': 370, 'end_paragraph_id': 5, 'end_character': 386, 'bleu_score': 1.0, 'section': 'Section::::Team selection.\n'}]}, {'answer': 'Chicago Bears', 'provenance': [{'wikipedia_id': '2411607', 'title': 'Pro Football Hall of Fame Game', 'start_paragraph_id': 8, 'start_character': 74, 'end_paragraph_id': 8, 'end_character': 87, 'bleu_score': 1.0, 'section': 'Section::::Team selection.:Scheduling.\n'}]}]