{Product(category='noise-canceling headphone', brand='Yamaha', model='HPH-MT8'): [1, 2, 2, 3, 2, 1, 1, 2, 3, 1], Product(category='noise-canceling headphone', brand='Audio-Technica', model='ATH-ANC900BT'): [3, 3, 3, 4, 3, 4, 3, 1, 6, 2], Product(category='noise-canceling headphone', brand='Razer', model='Opus'): [6, 5, 4, 1, 4, 6, 5, 4, 8, 3], Product(category='noise-canceling headphone', brand='Bose', model='quietcomfort ultra headphones'): [8, 7, 8, 7, 8, 2, 8, 8, 1, 8], Product(category='noise-canceling headphone', brand='Bang Olufsen', model='beoplay h95'): [2, 1, 6, 2, 1, 8, 2, 3, 4, 4], Product(category='noise-canceling headphone', brand='Beats', model='Studio3 Wireless'): [4, 6, 1, 5, 5, 3, 7, 6, 5, 7], Product(category='noise-canceling headphone', brand='Bowers Wilkins', model='PX7'): [5, 8, 7, 8, 7, 7, 6, 7, 2, 5], Product(category='noise-canceling headphone', brand='Samsung', model='Galaxy Buds Pro'): [7, 4, 5, 6, 6, 5, 4, 5, 7, 6]}