Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: PATRA Women's Plus Size Sleeveless Dress-BURGUNDY RED-18
Product description: This sleeveless dress features full lining, surplice front and rear invisible zipper.
Product feature: Sleeveless dress, Surplice front; Rear hidden zipper, Fully lined, Rayon/Polyester, Dry clean, Product Dimensions: 10 x 9 x 0.5 inches, Shipping Weight: 1.92 ounces, ASIN: B00I3TS0I4, Date first listed on Amazon: January 28, 2014, Average Customer Review: 4.0 out of 5 stars 1 customer review
Product brand: Patra
Target attributes: Sleeve Style
Answer: attribute: sleeve style
value: sleeveless
source: product feature
attribute: sleeve style
value: sleeveless
source: product title
attribute: sleeve style
value: sleeveless
source: product description