Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: St. Patrick's Day - Boston Shamrock Green Adult T-Shirt
Product description: This original Old Glory design is printed using cutting-edge direct-to-garment technology on a high-quality green 100% Cotton crew neck t-shirt. Designed in-house and printed to order, this is a one-of-a-kind tee for people with style to match.
Product feature: Detailed Graphic Artwork Design, Quality Materials, Fun quality product that's great for everyone!, Designed and Printed in the USA, Exclusive Old Glory Brand, Shipping Information: View shipping rates and policies, ASIN: B00TUCFCVQ, Date first listed on Amazon: February 18, 2015, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product price: $16.95 - $19.95
Product brand: Old Glory
Target attributes: Neckline
Answer: attribute: neckline
value: crew neck
source: product description