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: Homelegance 9638-3SC Codman Reversible Sofa Chaise, Dark Grey Fabric
Product description: A truly unique addition to your contemporary living room will be the Codman Collection. With the design scaled for your modern home, the two-toned dark grey fabric and black vinyl sofa features right or left side placement of the chaise's ottoman to meet the needs of your space. Further enhancing the contemporary look are loose back knife edge pillows, the streamlined curves of both the seating and back and the chrome legs.
Product feature: Modern sectional sofa with reversible chaise on chromed legs, Upholstered in 2-tone dark grey linen-like fabric and black bi-cast vinyl, Loose back knife edge pillows coupled with the streamlined curves of both the seating and back, High-density flame retardant foam for added support, Measures: 78"W x 64.5"D x 33"H; Leg assembly required
Product brand: Homelegance
Target attributes: Number of Pieces
Answer: attribute: number of pieces
value: None
source: None