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: Ruvati 32-inch Low-Divide 50/50 Double Bowl Undermount 16 Gauge Stainless Steel Kitchen Sink – RVM4350
Product description: Ruvati takes kitchen functionality to a new level with this smartly designed low-divide double bowl sink. Now you can enjoy some of the benefits of a single bowl sink with the divided functionality of a double bowl sink. The extra clearance is a blessing when you are washing those large pots and pans, or cookie sheets. This sink is constructed of 16 Gauge thick Stainless Steel, which is 12.5% thicker than 18 Gauge steel. 16 Gauge is one the thickest steel available for residential use, and is the only thickness steel used by Ruvati for all their kitchen sinks. You don't have to settle for anything less 16 gauge premium T-304 grade stainless steel (18/10 Chromium/Nickel) will never rust or discolor Luxurious brushed satin finish - Easy to clean and long-lasting Heavy duty sound guard padding and undercoating Exterior dimensions: 32 1/4" x 18 7/8" Interior dimensions: 14 1/2" x 16 7/8" (left) , 14 1/2" x 16 7/8" (right) Bowl Depth: 8 1/2" Included in box: Sink, cut-out template, mounting brackets, rinse grids (set of 2), 2 basket strainers UPC and cUPC certified by IAPMO to meet US and Canada plumbing standards including ANSI and CSA. Ruvati Limited Lifetime Warranty.
Product feature: 16 Gauge thick premium T-304 grade stainless steel (18/10 Chromium/Nickel) | Heavy duty soundguard padding and undercoating, Unique low divide design: divider between two bowls in 3" lower, giving you extra clearance when you are washing dishes, Exterior dimensions: 32" x 19" | Interior dimensions: 14-1/2" by 17" (left bowl), 14-1/2" by 17" (right bowl), 8-1/2" (bowl depth), UPC and cUPC certified by IAPMO to meet US and Canada plumbing standards including ANSI and CSA., Included in box: Sink, cut-out template, mounting brackets, rinse grid, basket strainer | Ruvati Limited Lifetime Warranty.
Product price: $7.88
Product brand: Ruvati
Target attributes: Material
Answer: attribute: material
value: stainless steel
source: product feature
attribute: material
value: stainless steel
source: product description
attribute: material
value: stainless steel
source: product title