Instruction: Extract the value of the target attribute from the given product information and output it along with the corresponding source.

Input:
Product title: Kenda John Tomac Signature Series Blue Groove Mountain Bike Tire
Product feature: Downhill wire bead version has 2 ply construction and STICK-E Compound for better grip, Cross Country folding bead version is single ply with STICK-E Compound or DTC (Dual Tread Compound), Both versions have broad, low-profile knobs engineered to work great on hard packed trail conditions
Product price: $50.77 - $62.95
Product brand: Kenda
Target attributes: Use
Answer: attribute: use
value: mountain bike tire
source: product title
attribute: use
value: downhill
source: product feature