Instruction: Evaluate the titles of Product 1 and Product 2, then choose the option that best describes the relation between the two products.

Input:
Product 1: K&amp;F Concept EOS-58mm Macro Reverse Adapter Ring Camera Mount Adapter + Rear Lens Mount Protection Ring for Canon EOS EF EF-S Mount
Product 2: Micnova KK-C68 Pro Auto Focus Macro Extension Tube Set for Canon EOS EF &amp; EF-S Mount 5D2 5D3 6D 650D 750D Film Cameras (12mm 20mm and 36mm Tubes)

Options:
A: Users who buy product 1 may also buy product 2.
B: Users who view product 1 may also view product 2.
C: The product 1 is similar with the product 2.
Answer: B