Instruction: First, identify the target attributes from the provided list. Then, scan the product title, description, feature, and brand to extract the values associated with each target attribute. Finally, create a list of dictionaries, each containing the extracted attribute, its corresponding value, and the source where it was found.

Input:
Product title: Unisex Emoji 100 Score Training Running Sweatpants Joggers (Large,white)
Product description: Anything problem with our products please contact us, Honour Fashion Group Ltd. will spare no efforts to provide your best quality products and services.
Product feature: 85% cotton/15% ammonia, We suggest that you order one size up from your normal size. Please see our sizing chart below, Suitable for men and women, great choice as a gift for your families and friends, Machine washable, Two side pocket and a back pocket, Please allow 0-2cm difference due to manual measurement and choose size carefully according to size information when you place order, Package Dimensions: 9.8 x 6.4 x 2.7 inches, Shipping Weight: 14.4 ounces, ASIN: B00TOCS8WM, Date first listed on Amazon: February 16, 2015, Average Customer Review: 3.0 out of 5 stars 3 customer reviews
Product brand: Honour Fashion
Target attributes: Length
Answer: attribute: length
value: None
source: None