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: Top Chop Butcher Block PGM-24182 Premium Reversible End Grain Character Grade Cutting Board, Maple
Product description: End Grain Cutting Boards features the end pieces of wood rails approximately 1-1/2" x 1-3/4" that are glued together into a traditional square pattern. During cutting or chopping, the end grain wood fibers absorb the impact of the knife blade, allowing you.
Product feature: Kitchen prep is made easier with this solid, reversible maple wood cutting board, End Grain construction is better so that it will not dull your knifes and features slightly rounded corners, Each Block is Hand Made so each will have its own Unique Look and Characteristics, We now offer Butcher Block Oil - (Amazon # B01M9IB9B5) and Butcher Block Conditioner (Amazon # B01M34XW9K) Copy and Paste these item numbers in the Amazon search bar to order. They will keep your new block looking Great and Working for years., Made in the USA, Each Block is Hand Made and Each Board is Individually Selected - Each Block is Unique
Product brand: Top Chop Butcher Block
Target attributes: Material
Answer: attribute: material
value: end grain
source: product title
attribute: material
value: wood
source: product feature
attribute: material
value: end grain
source: product description
attribute: material
value: end grain
source: product feature
attribute: material
value: wood
source: product description
attribute: material
value: maple
source: product title