Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: Wilson nFury Two Strung Tennis Racquet (Size - 4-1/8)
Product feature: String - Sensation, Grip - Cushion Aire, Grip - Cushion Aire
Product brand: Wilson
Target attributes: Head Size
Answer: attribute: head size
value: None
source: None