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: Celia Serina Flat Casual Flat Junior Low Shoes Womens
Product feature: Synthetic, Shipping Weight: 1 pounds, ASIN: B006YDGADS, Date first listed on Amazon: January 16, 2012, Average Customer Review: 5.0 out of 5 stars 1 customer review
Product brand: Celia
Target attributes: Style
Answer: attribute: style
value: casual
source: product title