Question: what kind of book is the perks of being a wallflower
[{'answer': 'Young adult', 'provenance': [{'wikipedia_id': '2162569', 'title': 'The Perks of Being a Wallflower', 'start_paragraph_id': 23, 'start_character': 1247, 'end_paragraph_id': 23, 'end_character': 1258, 'bleu_score': 1.0, 'section': 'Section::::Publication and reception.\n'}]}, {'answer': 'Epistolary', 'provenance': [{'wikipedia_id': '2162569', 'title': 'The Perks of Being a Wallflower', 'start_paragraph_id': 1, 'start_character': 51, 'end_paragraph_id': 1, 'end_character': 61, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}]