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: (2018 Update) Altura Photo Rubber Eyepiece Eyecup for Canon Rebel T6i T5i T5 T4i T3i T3 T2i SL1, Canon EOS 70D 1100D 700D 650D 600D 550D
Product 2: Powerextra BG-E14 Vertical Battery Grip + AA-size Battery Holder for Canon EOS 70D/80D Digital SLR Camera - Work With LP-E6/LP-E6N Batteries or 6 Pcs AA-size battery

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: A