Instruction: Analyze the titles of Product 1 and Product 2 to determine if they are similar, if they will be purchased or viewed together, and choose the corresponding option.

Input:
Product 1: 1GB Memory RAM Upgrade for the Dell Inspiron 2200 (DDR-333, PC2700, SODIMM)
Product 2: 2GB RAM Memory Upgrade for the Dell Inspiron 1545 (DDR2-667, PC2-5300, SODIMM)

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