Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: farylrobin Women's Elph Bootie
Product description: Women's lifestyles and attitudes have changed, but their choice of footwear remained stifled until farylrobin flew in. Farylrobin is footwear for independent, sophisticated, and feminine women - women who lead diverse and hectic lifestyles. With farylrobin, work and leisure blend seamlessly with looks that are unique but not over the top. Whether you are a 20-something creating your adult identity or a 40-something expressing your individuality and sophistication, the farylrobin line has the shoes that help you take that next step.
Product feature: 100% Leather, Rubber sole, Heel measures approximately 1 1/4", Package Dimensions: 14 x 8 x 5 inches, Shipping Weight: 4 pounds, ASIN: B000RIAYXS, Date first listed on Amazon: July 12, 2007, 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 1 customer review
Target attributes: Shaft Height
Answer: attribute: shaft height
value: bootie
source: product title