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: Kastar Battery and Charger for Canon BP-511 BP-511A and Canon EOS 5D 10D 20D 30D D30 D60 ZR60 ZR70 ZR80 ZR85 ZR90 MV600i MV630i MV650i MV700 MV700i MV730i MV750i FV100 FV200 FV300 FV400 FVM1 FVM10
Product 2: STK Canon BP-511 BP-511a Battery - 2 Pack 2200mAh for 30D, Digital Rebel, G5, 50D, 5D, G3, 40D, G1, 20D, D60, G6, G2, Pro 1, 300D Digital 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