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: 5 x Mixed Sets of Ruthless Clear Panels Dart Flights Standard Shape
Product 2: Elkadart Dart Accessory: O-Ring Applicator Tool with 10 2BA Rubber O-Rings/Washers (Steel and Soft Tip Darts)

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