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

Input:
Product title: Premier Yarns Starbella Arctic Yarn, Merlot
Product description: PREMIER YARNS-Starbella Arctic Yarn. This is the next step in ruffle scarves! This yarn is a net yarn that has a cozy ruffle added to the bottom to create a warm cuddly scarf. The sophisticated colors are perfect for scarves for a dressy evening or to be added to any knit or crochet project. Weight category: 6 100% acrylic 3.5oz/100g 7.5 yd./7m. Gauge: 19st x 26 r=4in/10cm on size US 6 needles. Suggested crochet hook size H8. Care: Hand wash and lay flat to dry. Available in a variety of designs each sold separately. Imported.
Product feature: This is the next step in ruffle scarves! This yarn is a net yarn that has a cozy ruffle added to the bottom to create a warm cuddly scarf, The sophisticated colors are perfect for scarves for a dressy evening or to be added to any knit or crochet project, Weight category: 6 100% acrylic 3
Product brand: Premier Yarns
Target attributes: Thickness
Answer: attribute: thickness
value: weight category: 6
source: product feature
attribute: thickness
value: weight category: 6
source: product description