Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Columbia Sportswear Vintage Lure Quilted Standard Sham
Product description: Columbia Sportswear Vintage Lure shams are a match to the Vintage Lure quilts. Standard sham are 20 x 26 inches, machine wash and dry. Shams have been hand made in China for years of easy care., This cozy cotton sham is the ideal pillow covering for a fisherman's bed as he rests up for the next expedition or returns from a week-long outdoor adventure. Measuring 20 by 26 inches, the sham is sized to fit a standard-sized pillow and has a rustic charm that looks ideal in a lodge or cabin bedroom. The sham is constructed with a variety of 100-percent-cotton antiqued country plaids, checks, and stripes surrounded by a quaint pickstitch. Interspersed among the fabric scraps are patches bearing replicas of vintage ads for fishing lures. The sham is backed with a 100-percent cotton blue ticking stripe on a tea-stained background and filled with 100-percent cotton batting. This heirloom-quality sham coordinates with other bedding accessories in the Vintage Lure line, such as a quilt and bedskirt, and is machine-washable in cold water and safe for the dryer on low heat. --Cristina Vaamonde
Product feature: Cotton Fabric With Prewashed Cotton Fill, 20 by 26-Inches, Made in China, Machine Wash and Dry
Product brand: Columbia
Target attributes: Size
Answer: attribute: size
value: standard-sized
source: product description
attribute: size
value: standard
source: product title
attribute: size
value: standard
source: product description