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: Can 66 Carbon Filter with Prefilter, Flange Sold Separately
Product 2: Can-Lite Filter 9000 Plastic w/ out Flange 500 CFM

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