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: JetPilot Body Glove Karma Women's USCG Approved Nylon Vest
Product description: The Karma has new graphics for 2008 and still has the quality and comfort fit for a nylon USCG PFD.
Product feature: US Coast Guard Approved Floatation, Great fit with 3 buckle design, Oversized arm holes for range of movement, Great new graphics, Quick release buckles
Product brand: Body Glove
Target attributes: Construction
Answer: attribute: construction
value: None
source: None