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: Depo 335-5420L3CL Glossy Black Driver Side Manual Mirror
Product description: These mirrors feature OE-like design connectors to ensure ease of installation. They are Vehicled Test Fitted (VTF) to ensure factory fit, form and function. They come with one year limited product warranty. They also feature highest quality and wide variety of selection and also endure rigorous vibration test.
Product feature: OE-like design connectors to ensure ease of installation, Vehicled Test Fitted (VTF) to ensure factory fit, form and function, One year limited product warranty, Highest quality and wide variety of selection, Endures rigorous vibration test
Product price: $26.07
Product brand: Depo
Target attributes: Position
Answer: attribute: position
value: driver side
source: product title