Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Lite Source LS-1098FROST Rainbow II 3-Lite Pendant Lamp
Product description: The Lite Source LS-1098Frosted Rainbow II 3-Lite Pendant Lamp features a frosted glass shade. Requires 3 B incandescent bulbs. E12 socket. Fixture Dimensions: -Inch x 40-Inch. Shade Dimensions: top diameter 2.25-Inch, height 6.75-Inch, base diameter 2.5-Inch. Weight is 5.7-Pound. Required bulbs included. Lite-Source, Inc. specializes in creating lighting products that can be used in any home. Their products include a range of kids products to chandeliers to task specialty lights, all the while providing an excellent value. The Lite-Source, Inc. catalog is one of the most extensive in the industry., The Lite Source LS-1098Frosted Rainbow II 3-Lite Pendant Lamp features a frosted glass shade. Requires 3 B incandescent bulbs. E12 socket. Fixture Dimensions: -Inch x 40-Inch. Shade Dimensions: top diameter 2.25-Inch, height 6.75-Inch, base diameter 2.5-Inch. Weight is 5.7-Pound. Required bulbs included. Lite-Source, Inc. specializes in creating lighting products that can be used in any home. Their products include a range of kids products to chandeliers to task specialty lights, all the while providing an excellent value. The Lite-Source, Inc. catalog is one of the most extensive in the industry.
Product feature: Lite Source 3-lite pendant lamp from the Rainbow II Collection, Frosted glass shade, Blue finish, Lamp dimensions: 20-Inch x 4.5-Inch x 40-Inch, Required bulbs included
Product brand: Lite Source
Target attributes: Shade Material
Answer: attribute: shade material
value: glass
source: product feature
attribute: shade material
value: glass
source: product description