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: Quiksilver Baby Boys' Combat Drop Boardshort
Product description: Quiksilver baby boys combat drop boardshort in water repellant 4-way stretch polyester, fixed waist classic tie front and elastic in back for baby's comfort,
Product feature: 100% Polyester, Machine Wash, 100% polyester, Classic tie front closure, Elastic in back of waist, Machine wash cold, tumble dry low., 4 way stretch water repellant fabric, Package Dimensions: 8.9 x 6.5 x 1.2 inches, Shipping Weight: 2.4 ounces, ASIN: B005LC7E9C, Item model number: I201982, Date first listed on Amazon: February 6, 2012, Domestic Shipping: Item can be shipped within U.S., International Shipping: This item is not eligible for international shipping. Learn More, Average Customer Review: 5.0 out of 5 stars 2 customer reviews
Target attributes: Style
Answer: attribute: style
value: boardshort
source: product description
attribute: style
value: boardshort
source: product title