data = [{category: 'Fire', id: 1, power: 10}, {category: 'Fire', id: 2, power: 25}, {category: 'Fire', id: 3, power: 32}, {category: 'Fire', id: 4, power: 10}, {category: 'Fire', id: 5, power: 25}, {category: 'Fire', id: 6, power: 32},{category: 'Nature', id: 7, power: 10}, {category: 'Nature', id: 8, power: 25}, {category: 'Nature', id: 9, power: 32}, {category: 'Nature', id: 10, power: 10}, {category: 'Nature', id: 11, power: 25}, {category: 'Nature', id: 12, power: 32}]