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: Dyson Cinetic Vacuum (DC78) Turbinehead animal, cinetic technology, SILVER
Product feature: Dyson Cinetic cyclone technology, no bags to buy, no filters to wash or replace, no loss of suction, Ball Technology, the only canister vacuums with a central steering mechanism for greater control, Tangle free turbine tool, Carbon Fibre Turbine head, Articulating hard floor tool, Groom tool, Still bristle brush
Product brand: Dyson
Target attributes: Weight
Answer: attribute: weight
value: None
source: None