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: Park Tool GSC-1C Gear Clean Brush
Product 2: Park Tool MWF-1 Metric Flare Nut Wrench 8/10mm

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: A