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: Serfas Seca Road Bicycle Tire - Wire Bead (Grey - 700 X 23)
Product description: Serfas wirebead Seca tires offer flat protection, a variety sizes, and a range of colors to personalize your bike. Dont let the price fool you - these tires are the real deal.
Product feature: Feature our FPS or Flat Protection System, The ultimate training or commuting tire, 60 Durometer center tread for long life, 130 PSI Capacity, Weight Average: 300g (23) 315g (25) 330g (28) 360g (26"X1.25") 370g (27"X1.25")
Product price: $49.99
Product brand: Serfas
Target attributes: Style
Answer: attribute: style
value: wire bead
source: product title