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: New Era 9Fifty Pittsburgh Pirates Ostrich Vize Leopard Mens Strapback Hat 950-LEOPARDPITPIR
Product description: With it's unique Leopoard Print brim, the New Era 9Fifty Pittsburgh Pirates Ostrich Vize Leopard Mens Strapback Hat is sure to turn heads at the game, or out in the streets. Features a polyurethane brim and strapback with gold buckle and eyelet closure.
Product feature: Polyester, 100% Polyester and PU Brim, Deep crown, Flat brim, Strapback with gold buckle and eyelet, 100% Genuine MLB Merchandise, Shipping Weight: 2 pounds, ASIN: B00H90V990, Date first listed on Amazon: December 12, 2013, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: New Era
Target attributes: Pattern
Answer: attribute: pattern
value: leopard
source: product description
attribute: pattern
value: leopard
source: product title