Question: what is the theme of the 2018 rose bowl parade
[{'answer': 'Making a Difference', 'provenance': [{'wikipedia_id': '11960959', 'title': 'Rose Parade themes', 'start_paragraph_id': 97, 'start_character': 19, 'end_paragraph_id': 97, 'end_character': 38, 'bleu_score': 1.0, 'section': 'Section::::Themes.\n'}]}, {'provenance': [{'wikipedia_id': '11960959', 'title': 'Rose Parade themes', 'start_paragraph_id': 97, 'start_character': 0, 'end_paragraph_id': 97, 'end_character': 38, 'bleu_score': 0.5081327481546141, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 484809900780049884}, 'section': 'Section::::Themes.\n'}]}]