Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: Travis Mathew Mens Low pro
Product description: These custom designed Travis Mathew socks are a cool way to add some pizzazz to your outfit and your life. Wear them out on the Green to distract your friends or wear them out on the town to attract some favorable female attention. Win, win.
Product feature: 85% Acrylic, 9% Nylon, 6% Elastane, Imported, Custom Travis Mathew design, Perfect blend to keep your feet cool and comfortable, Stylish addition to any outfit
Product brand: Travis Mathew
Target attributes: Style
Answer: attribute: style
value: None
source: None