Instruction: Evaluate the titles of Product 1 and Product 2 to assess their similarity and whether they are likely to be purchased or viewed together. Then, select the appropriate option.

Input:
Product 1: Battery Grip Bundle F/ Canon EOS 7D: Includes BG-E7 Replacement Grip, 2-Pk LP-E6 / LP-E6N Long-Life Batteries, UltraPro Accessory Bundle
Product 2: Battery Grip Bundle F/ Canon EOS T3i, T4i, T5i: Includes BG-E8 Replacement Grip, 2-Pk LP-E8 Replacement Long-Life Batteries, UltraPro Accessory Bundle

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: C