Instruction: Analyze the titles of Product 1 and Product 2 to determine if they are similar, if they will be purchased or viewed together, and choose the corresponding option.

Input:
Product 1: Sigma 17-70mm f/2.8-4 Contemporary DC Macro OS HSM Zoom Lens for Canon EOS DSLR Cameras with Flash + Soft Box &amp; Diffuser + 3 UV/CPL/ND8 Filters + Kit
Product 2: Sigma 35mm F1.4 Art DG HSM Lens for Canon DSLR Cameras w/Sigma USB Dock &amp; Advanced Photo and Travel Bundle

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