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: Mens Fashion Sleeveless Hoodie Fitness Tank Top With Kangaroo Pocket
Product description: Best tank tops for gym, fitness exercise, workout Package: 1 *tank top Wash: Hand wash Style: Casual fashion Leisure Return Policy: Customers receive damaged, defective products, please first time to take pictures, save pictures, contact us. We have received e-mail will help you be exchanged. Or product have size problem, we can be exchanged.
Product feature: Made of COTTON BLENDS, comfortable to wear;, Multi-color for your choice, please choose the one you like;, Please check the US size and choose the right size for you;, Tank Tops for men, best for gym, fitness, bodybuilding, workout., Package: 1 x Tank top (Not include other accessories)., Package Dimensions: 11.2 x 8.1 x 1.7 inches, Shipping Weight: 3.2 ounces, ASIN: B01FVQPDQS, Item model number: 160519z01503, Date first listed on Amazon: May 19, 2016, Average Customer Review: 3.7 out of 5 stars 27 customer reviews
Product brand: Kingsnower
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: tank
source: product description
attribute: sleeve style
value: tank tops
source: product feature
attribute: sleeve style
value: sleeveless
source: product title
attribute: sleeve style
value: tank top
source: product description
attribute: sleeve style
value: tank top
source: product title
attribute: sleeve style
value: tank top
source: product feature