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: Under Armour Men's Coldblack Address Stripe Polo
Product description: Revolutionary coldblacktechnology reflects IR & heat rays, so even dark color dont get as hot. 30+ UPF protects your skin from the suns harmful rays. Yarn-dyed fabric is stretchy, light & breathable so it can handle the hottest days. Material wicks sweat & dries really fast. Anti-odor technology prevents the growth of odor-causing microbes. Self-fabric collar . Performance fit.
Product feature: 82% Nylon/18% Spandex, Imported, 30+ UPF protects your skin from the suns harmful rays, Yarn-dyed fabric is stretchy, light & breathable so it can handle the hottest days, Material wicks sweat & dries really fast, Anti-odor technology prevents the growth of odor-causing microbes
Product price: $22.39
Product brand: Under Armour
Target attributes: Neckline
Answer: attribute: neckline
value: polo
source: product title