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

Input:
Product title: Pet Goods 642098-662-692 Penn State University Nylon Dog Collar Size: Large (Adjusts 18"-28")
Product description: Pet Goods 642098-662-692 Features: -Nylon dog collar. -Available in three sizes. -Officially licensed Penn State University logo and design. -Reflective fabric for safety. -Heavy duty clips and wrist loop. Specifications: -Small: 0.63" H x 14" W x 0.03" D. -Medium: 0.75" H x 20" W x 0.03" D. -Large: 1" H x 28" W x 0.03" D. Size: Large (Adjusts 18"-28")
Product feature: Screen print graphics, Officially licensed collegiate product, Adjustable buckle strap
Product brand: Pet Goods
Target attributes: Size
Answer: attribute: size
value: large
source: product description
attribute: size
value: large
source: product title