Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Dr. Martens Mens R14382001 Alfred Oxfords Shoe, Black/Black - 12
Product feature: Package Dimensions: 15.7 x 10 x 5.7 inches, Shipping Weight: 4 pounds, ASIN: B010FAIBS2, Item model number: R14382001, Date first listed on Amazon: April 17, 2017, Average Customer Review: 5.0 out of 5 stars 1 customer review
Target attributes: Silhouette
Answer: attribute: silhouette
value: oxfords
source: product title