Instruction: Evaluate the titles of Product 1 and Product 2, then choose the option that best describes the relation between the two products.

Input:
Product 1: (3 Pack) Sharp EL-1750V Sharp EL-1801V Calculator Ink Roller, Black and Red, Compatible, IR-40T
Product 2: Porelon 11216 Universal Twin Spool Calculator Ribbon, 6-Pack

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