Instruction: Given the title of two products, predict if the two products are similar, if the two products will be purchased or viewed together. Answer only from the options.

Input:
Product 1: HQRP Laptop Keyboard for Toshiba Satellite A135-S4637 / A135-S4656 / A135-S4666 / A135-S4677 Notebook Replacement plus Coaster
Product 2: HQRP Replacement Laptop/Notebook Keyboard for Toshiba Satellite M115-S3094 / M115-S3104 / M10 / M15 / M30 / M35 / M40 / M45 / M50 / M55 / M70 / M75 Series plus HQRP Coaster

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