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: Yin Women's Fire Knee-High Boot
Product description: Volatile shoes are as stylish and comfortable as they look, and they are the best shoes to stay a step ahead of all the latest fashion trends. The styling is edgy and fresh (and surprise -- they're comfortable!). With these sandals, shoes, fashion sneakers, and boots, you'll have the latest looks (and the greatest comfort) that will last you all day long ... and right into the evening.
Product feature: 100% Leather, Leather and Rubber sole, Shaft measures approximately 16" from arch, Heel measures approximately 3", Boot opening measures approximately 14 1/2" around, Package Dimensions: 21.8 x 12.9 x 4.5 inches, Shipping Weight: 4.55 pounds, ASIN: B003IHVNIA, Item model number: YNFIRE, Date first listed on Amazon: October 27, 2010, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 4.0 out of 5 stars 2 customer reviews
Product brand: Yin
Target attributes: Shaft Height
Answer: attribute: shaft height
value: knee-high
source: product title