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: Best Dad Ever Tee Ideas Men's T-Shirt
Product description: BEST DAD EVER t-shirt. fathers day gifts from daughter, son or wife. Looking for a thoughtful gift for your dad? Our unique t-shirt design with the slogan "Best Dad Ever", is the ideal gift with a personal touch. Premium quality, short sleeve men's t-shirt. 100% combed-cotton (preshrunk,) machine washable. Available in a wide variety of sizes and colors - choose the size and color options from the drop-down list.
Product feature: BEST GIFT for Dad or Grandfather to celebrate Father's Day. GREAT present for Father's / Grandpa's Birthday., OUTSTANDING FABRIC QUALITY!, SUPER FAST SHIPPING!, 100% MONEY BACK GUARANTEE, Official Teestars Merchandise, Shipping Information: View shipping rates and policies, ASIN: B07BPGWWTM, Item model number: Gl3MhgW, Date first listed on Amazon: May 18, 2015, Average Customer Review: 5.0 out of 5 stars 2 customer reviews
Product price: $15.95 - $17.95
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: short sleeve
source: product description