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

Input:
Product title: Asus X550CA-SI50304V 15.6" Laptop PC - Intel Core i5 / 4GB DDR3L / 500GB HD / DVD±RW/CD-RW / Webcam & Microphone / Windows 8 64-bit
Product description: 3rd Gen Intel Core i5-3337U processor - Features a 3MB L3 cache and 1.8GHz processor speed with Turbo Boost up to 2.7GHz. Intel Core i5 processor - Features smart 4-way processing performance with a speed boost. Intel Turbo Boost Technology - Delivers extra performance when you need it and increased energy efficiency when you don't. Intel HD graphics provide extra graphics power for your laptop when you need it. 4GB DDR3L memory - For multitasking power, expandable to 6GB. Multiformat DVDRW/CD-RW drive - Lets you create custom DVDs and CDs. 15.6" high-definition display - Clearly presents media. 500GB hard drive - Offers spacious storage and fast read/write times. Intel HD Graphics 4000 - Deliver lush, vibrant images. An HDMI output enables flexible connectivity. Built-in 1.0MP webcam with microphone - Makes it easy to video chat with family and friends. Digital media reader - Supports Secure Digital format. 1 USB 3.0 port and 1 USB 2.0 port - For fast digital video, audio and data transfer. Built-in high-speed wireless LAN (802.11n) - Lets you connect to the Internet without wires. Built-in 10/100/1000 Mbps Fast Ethernet LAN - With RJ-45 connector for quick and easy wired Web connection. Weighs 5.1 lbs. and measures just 1.25" thin - For easy portability. A chiclet-style keyboard allows comfortable typing. Microsoft Windows 8 64-bit operating system preinstalled - Provides a stable platform for word processing, Web navigation, gaming, media storage and more. Software package included - With Kindle, Music Maker Jam and more. Includes a 30-day trial of Microsoft Office 365. ENERGY STAR certified - Designed to use less energy and meets strict energy efficiency guidelines set by the Environmental Protection Agency and U.S. Department of Energy.
Product feature: Intel Core i5-3337U Processor - 1.8GHz with Turbo Boost up to 2.7GHz, 15.6" high-definition display with Intel HD Graphics 4000, 4GB DDR3L Memory / 500GB Hard Drive, Multiformat DVDRW/CD-RW Drive / Built-in Webcam with Microphone, Windows 8 64-bit / Weighs 5.1 lbs. and measures just 1.25" thin
Product brand: Asus
Target attributes: Processor Brand
Answer: attribute: processor brand
value: intel core
source: product title
attribute: processor brand
value: intel core
source: product feature
attribute: processor brand
value: intel
source: product feature
attribute: processor brand
value: intel core
source: product description