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: Sagem CompactFlash to MS Pro/MS/MMC/SM/SD/xD Card Adapter - Turn your CF Type I Card Slot into a 6-in-1 Card Reader!
Product 2: USB Smart Card Reader ACS ACR39U-I1

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