Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Sferra 1891 Camellia Cotton Standard Pillowcase Pair, White/Multi
Product description: Fancy flowers. Crisp cotton percale sheets and cases in classic White are bedecked with a band of embroidered woodland flowers. Green linen piping on the pillowcases and flat sheet adds flair. Fitted sheets are overcut to fit modern mattresses, and have elastic on all sides to make bed-dressing easy and smooth.
Product feature: Machine wash cold, gentle cycle with non-chlorine bleach detergent wash dark colors separately tumble dry on low heat For best results, iron on cotton setting to regain luster and sheen, Imported, 100-Percent embroidered cotton percale with linen piping, 22 by 33-inch sold in pairs, White/Multi
Product brand: Sferra
Target attributes: Type
Answer: attribute: type
value: pillowcase
source: product title
attribute: type
value: pillowcases
source: product description