Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Philippe Richard Professional 15 Piece Cutlery Block Set
Product description: Philippe Richard Professional 15 Piece Cutlery Block Set.
Product feature: 6 Steak Knifes, 1 Paring knife,1 Tomato Knife, 1 Bread Knife, 1 Slicer Knife, 1 Chief Knife, 1 Cleaver, 1 Sharpner, 1 Kitchen scissors, 1 Hard Wood Block
Product brand: Philippe Richard
Target attributes: Set Size
Answer: attribute: set size
value: 15 piece
source: product description
attribute: set size
value: 15 piece
source: product title