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: Bowlers Superior Inventory BSI Mens Classic Bowling Shoes
Product description: If you are looking for an affordable bowling shoe with higher quality than the lower end shoes, this is your shoe. These shoes have sport leather uppers. Sport Leather Uppers Padded Tongue And Collar Stitched And Glued Slide Sole Common Sliding Sole Lightweight EVA Midsole Embossed Logo
Product feature: If you are looking for an affordable bowling shoe with higher quality than the lower end shoes, this is your shoe, These shoes have sport leather uppers, Sport Leather Uppers Padded Tongue And CollarStitched And Glued Slide Sole Common Sliding Sole Lightweight EVA Midsole Embossed Logo
Product price: $40.17 - $41.35
Product brand: Bowlers Superior Inventory
Target attributes: Specialty Style
Answer: attribute: specialty style
value: None
source: None