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: Tommy Hilfiger Mens Classic Fit Striped Knit Cotton Polo Shirt
Product description: Tommy Hilfiger mens classic fit knit cotton polo shirt. 100% cotton. Imported.
Product feature: 100% cotton. Machine washable. Imported., Ribbed collar and sleeve cuffs., 2 button placket., Embroidered flag logo on left chest., Uneven vented hem., Package Dimensions: 12.9 x 12.4 x 1.8 inches, Shipping Weight: 8.8 ounces, ASIN: B00V1WY0HU, Date first listed on Amazon: March 22, 2015, Average Customer Review: 3.9 out of 5 stars 20 customer reviews
Target attributes: Neckline
Answer: attribute: neckline
value: polo shirt
source: product title
attribute: neckline
value: polo shirt
source: product description