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: Neewer Black Metal Cold Shoe Flash Stand Adapter with 1/4-inch -20 Tripod Screw (5 Packs)
Product 2: Neewer FC100 32 Super Bright LED Macro Ring Flash For Canon, Nikon,Olympus, Pentax SLR Cameras (Will Fit 52, 55, 58, 62, 67, 72, 77mm Lenses) Canon Digital EOS Rebel T1i (500D), T2i (550D), XSI (450D),XTI (400D), XT (350D), 60D , 50D, 40D, 30D, 20D, 10D, 1D, 5D Mark 2, 5D Mark 3, Nikon D7000, D3200, D3100, D5100,D5000

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