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: LG Optimus L90 D415 GSM Unlocked 4G LTE Quad-Core Smartphone w/ 8MP Camera - White
Product description: The Optimus L90 features a magnificent qHD multi-touchscreen allows you to enjoy your favorite media in clear, and immersive detail.
Product feature: 2G: GSM 850 / 900 / 1800 / 1900, 3G: 850 / 1700 / 1900 / 2100 (Bands 2, 4, 5) Android v4.4.2 KitKat (upgradable), 5 Megapixel Camera w/ Autofocus & LED Flash + Front-Facing VGA Camera Quad-Core 1.2 GHz Cortex-A7 Processor, Chipset: Qualcomm MSM8226 Snapdragon 4, Adreno 305 Graphics, Internal Memory: 8GB, 1GB RAM + microSD Slot Expandable up to 32GB Wi-Fi 802.11 b/g/n, Wi-Fi Direct, DLNA, hotspot, Bluetooth: v4.0, A2DP, LE, apt-X, USB: microUSB v2.0, GPS: with A-GPS, GLONASS, Browser: HTML, Messaging: SMS (threaded view), MMS, Email, Push Mail, IM Li-Po 2540 mAh Battery, Talktime: Up to 29 Hours (2G) / Up to 19 Hours (3G), Standby: Up to 827 Hours (2G) / Up to 864 Hours (3G), Dimensions: 5.18 x 2.60 x 0.38 (inches), Weight: 4.41 oz
Product brand: LG
Target attributes: Broadband Generation
Answer: attribute: broadband generation
value: 4g lte
source: product title