Instruction: Parse the product information to locate the target attribute, and then provide the extracted value of the target attribute and its source in the output, specifying None if the attribute is not present.

Input:
Product title: TomTom Start 45 Clamshell - 1ET0.052.08CSLL
Product description: START 45 Clamshell
Product feature: START 45 Clamshell, Manufacturer:TOMTOM, Manufacturer Model Number:TOMTOM, Weight:1.19 Pounds, Brand:TOMTOM
Product brand: TomTom
Target attributes: Automotive Specialty
Answer: attribute: automotive specialty
value: None
source: None