Instruction: Predict whether two products are similar, whether two products are likely to be purchased or viewed together based on their titles. Choose your answer from the provided options.

Input:
Product 1: 16GB KIT 2x 8GB Dell PowerEdge C8220 C8220X M420 M520 M610x M620 M710HD M915 R420 R520 R620 R715 R815 R820 R910 T320 T410 T420 T5500 T620 DIMM DDR3 ECC Registered PC3-10600 1333 Dual Rank RAM Memory
Product 2: Patriot 16GB(2x8GB) Viper III DDR3 1866MHz (PC3 15000) CL10 Desktop Memory With Black Mamba Heatsink - PV316G186C0K

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