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: Valeo Mesh Material Handling Fingerless Gloves
Product description: Maximize breathability and comfort with an all mesh back fingerless design. Made of genuine leather with cotton mesh back and padded, leather palm. Features soft terry lining for comfort and durability and a hook and loop closure.
Product feature: Genuine leather padded palms, Cotton mesh back, Terry lining for comfort and durability, Hook and loop closure
Product brand: Valeo
Target attributes: Size
Answer: attribute: size
value: None
source: None