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: Safah International Inc. 500-Thread-Count Pima Cotton Queen Sheet Set, Bone
Product description: These luxury sheet sets are made of 100% pima cotton. The cotton fibers are specially woven into 500 threads per inch. A unique state of the art weaving and finishing process is emploed by using the single ply yarn to obtain an ultra soft rich feeling and durability., Bring the touch of soft, 100 percent cotton to your bed at an affordable price with this set 500-thread-count sheets for Queen beds, which includes a flat sheet, fitted sheet, and two standard pillowcases. Originally grown in the American Southwest by the Pima Indians, these 100 percent cotton sheets feature long, luxurious fibers that are combined with a unique state-of-the-art weaving and finishing process that uses a single ply yarn to obtain an ultra soft rich feeling and durability. This set features a bone hue, fully-elasticized fitted sheet for a secure, snug fit, and 18-inch pockets for today's deeper mattresses. Machine wash and tumble-dry for easy care.
Product brand: Safah International Inc.
Target attributes: Thread Count
Answer: attribute: thread count
value: 500-thread-count
source: product title
attribute: thread count
value: 500 threads
source: product description
attribute: thread count
value: 500-thread-count
source: product description