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: All Black Kiann Women Black Apron Loafer
Product feature: Shipping Weight: 2 pounds, ASIN: B01DC9AL8Q, Item model number: KIANN-BLK, Average Customer Review: Be the first to review this item
Product brand: ALL BLACK
Target attributes: Shaft Height
Answer: attribute: shaft height
value: None
source: None