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: New Era Denver Broncos Balisticamo Camo Fitted Cap Hat - Camo/Navy (7 3/8)
Product feature: ASIN: B019E7ZWNO, Date first listed on Amazon: October 17, 2016, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: New Era
Target attributes: Pattern
Answer: attribute: pattern
value: camo
source: product title