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: Anna Covina-1 Women's Stylish Round Toe Ankle Strap Flat Heel Sandals,BLACK,7.5
Product feature: Package Dimensions: 11.1 x 4.9 x 4.4 inches, Shipping Weight: 1.1 pounds, ASIN: B00SKOH8GW, Item model number: COVINA-1, Date first listed on Amazon: January 26, 2016, Average Customer Review: 4.0 out of 5 stars 1 customer review
Product brand: ANNA
Target attributes: Toe Style
Answer: attribute: toe style
value: round toe
source: product title