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: Toshiba Satellite Pro S300M-EZ2401 14.1 Notebook PC (PSSBEU-009004)
Product description: The Toshiba Satellite Pro is the essential mobile business notebook that offers processing power, memory and storage. The Satellite Pro S300M offers a 14.1" TruBrite widescreen display - amply sized for multitasking and working with spreadsheets, yet compact enough for your typical mobile business situations. These laptops also feature a eSATA port for faster data transfer with external hard drives, hard drive protection to help safeguard your data, and a 2-Year standard limited warranty. Get the complete communication package with Gigabit LAN for cabled network access, webcam and WiFi 802.11N to connect to wireless hotspots. With Vista Business preinstalled and Windows XP Professional downgrade ability you'll always be compatible to your companies networks. All of this that grace the scales at about five pounds, so they won't weigh you down. 14.1 diagonal WXGA (1280 x 800) TruBrite TFT LCD display Built-in Webcam and Microphone Mobile Intel Graphics Media Accelerator 4500MHD with up to 1340MB shared Graphics Memory DVD+-R/RW Super Multi Drive with Double Layer Intel WiFi Link 5100AGN 802.11a/b/g/n 10/100/1000 Ethernet LAN Fingerprint Reader Bridge Media Adapter - MMC, SD, SDHC, Memory Stick, MS Pro, xD PCMCIA II Slot 3 x USB 2.0, eSATA/USB Combo, IEEE-1394, Headphone out; Microphone-in, VGA, Serial Port, RJ-11 (Modem), RJ-45 Approximate Unit Dimensions - 13.3 (W) x 9.6 (D) x 1.51 (H) Approximate Unit Weight - 5.38 Pounds
Product feature: Box Contents - Toshiba Satellite Pro S300M-EZ2401, 6-Cell Lithium-Ion Battery, 75W AC Adapter, Software Bundle - Windows Vista Business with Service Pack 1, Microsoft Office Professional 2007 Edition 60-Day Trial, Norton Internet Security 2008, 2-Year Limited Warranty, Intel Core 2 Duo T5870 2 GHz Processor, 2 MB L2 Cache, 800 MHz Bus speed, 3072 MB DDR2 (PC2-6400) RAM Max - 4 GB, 250 GB (5400 RPM) SATA Hard Drive
Product brand: Toshiba
Target attributes: Number of Cores
Answer: attribute: number of cores
value: None
source: None