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: Nobis NB7850 7.85" Quad Core Tablet w/Android Kit Kat, 8GB, Blue
Product description: Nobis 7.85 in Quad Core Tablet - Android w/ Google Play
Product feature: Speedy performace with quadcore 1.2ghz processor, Immersive digital experiences with dual cameras rear facing 2.0mp and front vga, Comes with google play android 4.4 os
Product price: $6.24
Product brand: Nobis
Target attributes: Network Connectivity
Answer: attribute: network connectivity
value: None
source: None