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: Sony 16-50mm f/2.8 DT Standard Zoom Lens (White Box) - International Version (No Warranty)
Product 2: Sony 24 -70mm f/2.8 Carl Zeiss Vario Sonnar T Zoom Lens for Sony Alpha Digital SLR Cameras

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