Instruction: Predict whether two products are similar, whether two products are likely to be purchased or viewed together based on their titles. Choose your answer from the provided options.

Input:
Product 1: Nikon AF-S DX Micro-NIKKOR 40mm f/2.8G Close-up Lens for Nikon DSLR Cameras
Product 2: Voigtlander Ultron 40mm f/2 SL-II Aspherical Compact Manual Focus Lens for Nikon

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