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: OEM Epson 159 (T159320) Magenta UltraChrome Hi-Gloss 2 Ink Cartridge
Product description: Ultrachrome Hi-Gloss Magenta Ink Cartridge (R2000)
Product feature: Retail, epson t159320 epson ultrachrome hi-gloss2 159 ink cartridge - magenta - inkjet
Product price: $34.49
Product brand: Epson
Target attributes: Maximum Page Yield (Color)
Answer: attribute: maximum page yield (color)
value: None
source: None