Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Converse Unisex One Star Skate Navy/White/W Skate Shoe 5 Men US / 7 Women US
Product feature: Package Dimensions: 14 x 9 x 5 inches, Shipping Weight: 12 ounces, ASIN: B0195EH7H0, Item model number: 149867C, Date first listed on Amazon: May 27, 2016, Average Customer Review: 5.0 out of 5 stars 1 customer review
Target attributes: Shaft Height
Answer: attribute: shaft height
value: None
source: None