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: Body Accentz® Nipple Ring Dangle Heart Captive Bead Body Jewelry Pair 14 ...
Product feature: ASIN: B005C5VPOS, Date first listed on Amazon: February 17, 2015, Average Customer Review: 4.0 out of 5 stars 2 customer reviews
Target attributes: Design
Answer: attribute: design
value: ring
source: product title