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 72mm Circular Polarizer HD Hardened Glass 8-layer Multi-Coated Filter
Product 2: Hoya 72mm DMC PRO1 Digital Circular Polarizer Glass Filter

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