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: Hoya 58mm HMC UV-IR Digital Multi-Coated Slim Frame Glass Filter
Product 2: Lens Rear Caps for M42 42mm Screw Mount Lens (5 Packs)

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: A