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: 63mm 2.5&quot; 4 Pc Aluminum Sifter Magnetic Herb Grinder Marilyn Monroe Design-021
Product 2: 63mm 2.5&quot; 4 Pc Aluminum Sifter Magnetic Herb Grinder Marilyn Monroe Design-051

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