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

Input:
Product title: LG V10, Black 64GB (Verizon Wireless)
Product description: LG V10 64GB Verizon and GSM Unlocked, Space Black (Refurbished)
Product feature: Display: 5.7-inches, Camera: 16-MP
Product price: $109.58
Product brand: LG
Target attributes: Weight
Answer: attribute: weight
value: None
source: None