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: American Standard 0263.112.021 New Solar Soaking Bathtub with Right Hand Outlet, Bone, 5-Feet
Product description: For those enamored with the look of enamel. The New Solar bathtub is made from heavy gauge, enameled steel for attractiveness and durability. Features include a slip-resistant surface and an integral apron for a cleaner look. Above-floor rough alcove installation.
Product feature: Acid resisting, enameled steel construction, One-piece bath, End drain outlet, Full slip-resistant pattern, Fully-bonded support pad
Product brand: American Standard
Target attributes: Type
Answer: attribute: type
value: integral apron
source: product description
attribute: type
value: alcove
source: product description