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: Timberland Men's Basic Chukka Boots
Product description: The soft leather upper and clean, desert boot-inspired silhouette deliver the Timberland Basic Chukkas bold, confident style, while a thick, rubber traction outsole delivers enhanced, sturdy grip.
Product feature: Waterproof leather upper, Lace entry, Padded collar, Rubber outsole, Textile lining, Product Dimensions: 13.9 x 9.1 x 4.9 inches, Shipping Weight: 3.3 pounds, ASIN: B0003VEPJ8, Date first listed on Amazon: February 3, 2012, Average Customer Review: 3.8 out of 5 stars 4 customer reviews
Target attributes: Shaft Height
Answer: attribute: shaft height
value: chukka
source: product title