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: Port Authority Men's Performance Moisture Wicking Short Sleeve Polo Shirt
Product description: With a grid-like texture, this durable, smartly priced polo wicks moisture and controls odor--making it a favorite for team uniforming. 4.28-ounce, 100% polyester Flat knit collar 3-button placket with dyed-to-match buttons Self-fabric piping at placket and cuffs Set-in, open hem sleeves Due to the nature of 100% polyester performance fabrics, special care must be taken throughout the printing process.
Product feature: 100% Polyester, With a grid-like texture, this durable, smartly priced polo wicks moisture and controls odor--making it a favorite for team uniforming., 4.28-ounce, 100% polyester, Flat knit collar, 3-button placket with dyed-to-match buttons, Self-fabric piping at placket and cuffs, Shipping Information: View shipping rates and policies, ASIN: B074TKBW6V, Item model number: K572, Date first listed on Amazon: August 15, 2017, Average Customer Review: 3.8 out of 5 stars 17 customer reviews
Product price: $11.18 - $25.59
Product brand: Port Authority
Target attributes: Neckline
Answer: attribute: neckline
value: polo
source: product feature
attribute: neckline
value: polo shirt
source: product title
attribute: neckline
value: polo
source: product description