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: HP - Envy Desktop - Intel Core i5-12GB Memory - 128GB Solid State Drive + 1TB HD - Black/Silver
Product description: HP ENVY Desktop: Enjoy solid performance with this HP desktop computer. Its Intel Core i5 processor provides speedy response from programs and apps, and its 12GB of RAM lets you browse the internet while creating documents without lag. This HP desktop computer includes a 1TB hard drive for ample storage of music and video files.
Product feature: 7th Gen Intel Core i5-7400 processor Smart quad-core, eight-way processing performance. Intel Turbo Boost Technology delivers dynamic extra power when you need it, while increasing energy efficiency when you don't., 12GB system memory for full-power multitasking Plenty of high-bandwidth RAM to smoothly run your games and photo- and video-editing applications, as well as multiple programs and browser tabs all at once., 1TB hard drive and 128GB solid state drive (SSD) for a blend of storage space and speed The hard drive provides ample storage, while the SSD delivers faster start-up times and data access., Cloud support lets you access your files anywhere Store your photos, videos, documents and other files on Dropbox for secure access across multiple devices. Fees may apply., 5 USB 3.0 ports maximize the latest high-speed devices Also includes 2 USB 2.0 ports to connect more accessories and peripherals. The USB 3.0 ports are backward-compatible with USB 2.0 devices (at 2.0 speeds).
Product price: $67.54
Product brand: HP
Target attributes: Processor Speed
Answer: attribute: processor speed
value: None
source: None