Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Goodman 101442 Goodman 13-Seer R410A Package Air Conditioner 2.5 Ton
Product description: GOODMAN 13-SEER R410A PACKAGE AIR CONDITIONER 2.5 TON
Product feature: Copper tube/aluminum fin coil, Permanently lubricated condenser fan motor, Louvered condenser coil protection, Quiet horizontal discharge, AHRI Certified
Product brand: Goodman
Target attributes: Installation
Answer: attribute: installation
value: package
source: product description
attribute: installation
value: package
source: product title