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: Coleman Clear Creek 2-Person Kayak Combo
Product description: Spend a comfortable day on the water in the Sevylor Clear Creek 2-Person Kayak Combo. It comes with a hand pump, 2 paddles and carry bag - everything you need to hit the water. The adjustable seats let you find the perfect amount of leg room, while the spray covers help keep you dry from splashed water. The 26-gauge PVC construction lets this kayak stand up to multiple seasons on the lake and is backed up with our Airtight System, which is guaranteed not to leak. Just in case you do hit a snag, the multiple air chambers will help you get back to shore.
Product feature: 26-gauge PVC construction is rugged for lake use, Multiple air chambers allow another chamber to stay inflated if one is punctured, Airtight System is guaranteed not to leak, Double Lock valves use two locking points for easy inflation/deflation, Spray covers block splashes to help keep you dry, Adjustable seats move to fit you, Carry handles make it easy to carry in and out of the water, Fits two people, NMMA certified to hold up to 360 lbs., Inflated dimensions: 10 ft. 4 in. x 2 ft. 11 in., 90 day limited warranty, Includes pump, 2 paddles and carry bag
Product brand: Sevylor
Target attributes: Number of Riders
Answer: attribute: number of riders
value: two
source: product feature
attribute: number of riders
value: 2
source: product feature
attribute: number of riders
value: 2
source: product title
attribute: number of riders
value: 2
source: product description