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 Nexus 5 D820 (NOT 5X) 4G LTE Android Smartphone 32GB - White - (Unlocked GSM)
Product description: Nexus 5 has a 8 MP OIS camera that incorporates advanced technology to shoot vivid imagery with a wide range of color and light intake. And while youre holding the camera, Optical Image Stabilization will steady the shot even with shaky hands, so your photos and videos will come out sharp and clear.
Product feature: 3G: HSDPA 850 / 900 / 1700 / 1900 / 2100, 4G: LTE 700 / 800 / 850 / 1700 / 1900 / 2100 / 2600, 4.95-inch True HD IPS+ Capacitive Multi-Touchscreen w/ Protective Corning Gorilla Glass 3-inch, Android v4.4 (KitKat (upgradable), Quad-Core 2.3 GHz Krait 400 Processor, Chipset: Qualcomm MSM8974 Snapdragon 8, 8 Megapixel Camera (3264 x 2448 pixels) w/ Autofocus & LED Flash + Front-Facing 1.3 Megapixel Camera, Internal Memory: 32GB, 2GB RAM (no microSD Slot for Expandable Memory)
Product brand: LG
Target attributes: Weight
Answer: attribute: weight
value: None
source: None