Instruction: Given the title of two products, predict if the two products are similar, if the two products will be purchased or viewed together. Answer only from the options.

Input:
Product 1: Nikon AF FX NIKKOR 50mm F/1.4D DSLR Lens with Auto Focus for Nikon DSLR Cameras
Product 2: Nikon LC-77 77mm Snap-On Lens Cap

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