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: Noiseblocker NB-BlackSilent Fan XS-1 50mm x 10mm Ultra Silent Fan, 3000rpm, 3 pin, 16 dBA, 6.77 CFM
Product 2: StarTech.com 92x25mm Dual Ball Bearing Computer Case Fan w/ LP4 Connector - 90mm Fan - computer case Fan - pc Fan

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