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: 1 Piece Solid Lime Green Sheer Curtains Fully Stitched Panels Window Drape 54" X 84"
Product description: Give your home decor style and sophistication when you decorate with these fully stitched sheer window panels. Each vivid colored curtain has a warming effect on your home window treatment while providing privacy at the same time. This beautiful panel will Bring a perfect look Into any room in your house. Available in many color. All colors also have matching scarves sold only by Qutain Linen.
Product feature: Qutain Linen Exclusive Limited Time Offer, 1 panel included. Each panel is 54" x 84", These Sheer Panels are 1.5 inch rod pocket panels, Fabric Content 100 % Polyester Fully Stitched, Care Instruction: Machine Washable
Product price: $3.99
Product brand: Qutain Linen
Target attributes: Light Allowance
Answer: attribute: light allowance
value: sheer
source: product feature
attribute: light allowance
value: sheer
source: product title
attribute: light allowance
value: sheer
source: product description