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: Nautical Tropical Imports 16” Shipwreck Finish Porthole Mirror Fiberglass Resin Wall Mount
Product description: This 16Dia Shipwreck Finish Wall Mount Porthole Mirror would make a great addition to any room in your home. This item measures 16Dia x 5"W and is made of fiberglass resin with a hand-rubbed shipwreck finish to make this item look as though it's been sitting at the bottom of the ocean for hundreds of years. The mirror viewing area is approximately 10"dia. This porthole mirror features real looking faux nuts and large metal dogears. Suitable for both indoors and outdoors. Mounts easily to the wall using the provided screw hole in the back. Place this item in your bar, beach house, or in any other nautical themed room you can imagine.
Product feature: 16Dia Shipwreck Finish Wall Mount Porthole Mirror, Mounts easily to the wall using the provided screw hole in the back, Made of lightweight fiberglass resin, 10"Dia mirror viewing area, Realistic looking replica, non-opening porthole
Product price: $96.95
Product brand: Nautical Tropical Imports
Target attributes: Installation
Answer: attribute: installation
value: wall
source: product feature
attribute: installation
value: wall
source: product title
attribute: installation
value: wall
source: product description