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: Casual Canine Collegiate Paws Pet Lead Leash - Purple/Yellow
Product description: This collegiate paws lead is made of durable nylon and feature a stylish two-tone pawprint pattern in purple/yellow color combinations that recall famous college sports teams. Give pets a sophisticated style with collegiate paws design a two-tone pawprint pattern on nylon. Leads have nickel-plated swivel clips. Each includes a hangtag. Measures 72-inch length by 1-inch width.
Product feature: Collegiate paws lead feature a stylish two-tone pawprint pattern, Lead have nickel-plated swivel clips, Available in purple/yellow color combination, Lead is made of nylon, Measures 72-inch length by 1-inch width
Product brand: Casual Canine
Target attributes: Pet
Answer: attribute: pet
value: canine
source: product title
attribute: pet
value: canine
source: product brand