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: CinchFit USA Maine Made Split King Adjustable Bed Sheet Set 300 Thread Count 5PC 100% Cotton (Ivory)
Product feature: Cinches and stays on adjustable beds!, Will stay on and NOT pop off, Includes cord storage pocket and directional tags, Beautiful 100% Cotton with smooth Sateen Finish, Fitted sheet can be tightened over time to keep sheets on your bed, (2) Fitted Sheet 39 x 80, (1) Flat Sheet 108 x 102, (2) King Pillow Cases 20 x 40, Fits mattresses up to 15 Depth, Includes directional tags and cord storage pocket, Tightness of the fitted sheet can be adjusted over time., Material: Single Ply 300 Thread Count 100% Combed Cotton With Sateen Finish, Colors: White, Ivory, Blue, Navy, Taupe, Manufacturer Country: Made in the USA with material from China, Care: Machine washable
Product price: $99.99
Product brand: CinchFit
Target attributes: Thread Count
Answer: attribute: thread count
value: 300 thread count
source: product title
attribute: thread count
value: 300 thread count
source: product feature