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: Opteka 420-800mm f/8.3 HD Telephoto Zoom Lens for Sony E-Mount a9, a7r, a7s, a7, a6500, a6300, a6000, a5100, a5000, a3000, NEX-7, NEX-6, NEX-5T, NEX-5N, NEX-5R and NEX-3N Digital Mirrorless Cameras
Product 2: Sony E 55-210mm f/4.5-6.3 OSS E-Mount Telephoto Zoom Lens (Black) for a3000, a3500, a5000, a5100, a6000, a6300, a6500, NEX-3/5/6/7, NEXC3/F3 + 10pc Accessory Kit w/HeroFiber - International Version

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