Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Egyptian Bedding King Size 1000 Thread Count Stripe Burgundy 100% Egyptian Cotton 1000 TC Bed Sheet Set 1000TC (Deep Pocket)
Product description: This is a Egyptian Bedding product. Package contains 1 Flat Sheet, 1 Fitted Sheet and 2 Pillow Case in a beautiful zippered package. Wrap yourself in these 100% Egyptian Cotton Superior bed sheets that are truly worthy of a classy elegant suite, and are found in world class hotels. These fine Luxury Bed Linens are crafted from Long Staple Giza Cotton grown in the lush Nile River Valley since the time of the Pharaohs. Comfort, quality and opulence set our Luxury Bedding in a class above the rest. Elegant yet durable, their softness is enhanced with each washing. You will relax and enjoy the rich, soft and luxurious feeling of cotton sheets. Warranty Only When Purchased from an Authorized Egyptian Bedding Reseller
Product feature: Egyptian Cotton, 100% Luxury 1000TC long-staple Egyptian Cotton Sheet Set, 1 Flat Sheet (108" x 102"), 1 Fitted Sheet (78" x 80") and 2 King Pillow Cases (20" x 40"), Fits mattresses up to 14" - 20" deep with elastic all around the fitted sheet, Machine wash in cold water with similar colors. Tumble dry low. Do not bleach, Brand New and Factory Sealed.
Product price: $142.48
Product brand: Egyptian Bedding
Target attributes: Thread Count
Answer: attribute: thread count
value: 1000tc
source: product title
attribute: thread count
value: 1000 thread count
source: product title
attribute: thread count
value: 1000 tc
source: product title
attribute: thread count
value: 1000tc
source: product feature