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

Input:
Product title: Tulip Trellis Ladder Ribbon Yarn Ice Red Green Ladder Railroad 22287 50gr 164yds
Product description: 22287: Tulip - lovely shades of Reds and Greens Fiber Content : 100% Polyester Washing : Hand Wash, lay flat to dry Needle Size : 4 - 5mm. US 6 - 8 Length : 150 meters / 164 yds. Weight : 50 gr. / 1.764 oz. The width of the ladder is just over 1/8".
Product feature: Fiber Content : 100% Polyester, Washing : Hand Wash, lay flat to dry, Needle Size : 4 - 5mm. US 6 - 8, Length : 150 meters / 164 yds., Weight : 50 gr. / 1.764 oz.
Product brand: Ice
Target attributes: Weight
Answer: attribute: weight
value: None
source: None