This exercise requires matching words from column B to categories in column A. The categories are 'material', 'shape', and 'pattern'. The words in column B are: 'round, square, rectangular, oval, checked, polka-dot, striped, plain, paper, wooden, plastic, metal, silver, leather, woollen, cotton, velvet'.
material: paper, wooden, plastic, metal, silver, leather, woollen, cotton, velvet
shape: round, square, rectangular, oval
pattern: checked, polka-dot, striped, plain
material: glass, ceramic, fabric, rubber, stone, gold, silk
shape: triangular, circular, rectangular, cubic, spherical, flat, long, thin
pattern: floral, geometric, striped, checkered, dotted, paisley, abstract, solid
Answer: The words have been matched and additional words have been added to each category.