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: Crown Sporting Goods Set of 6 Playground Balls with Hand Pump and Needles &ndash; Classic 8.5&quot; Inch Inflatable Balls, Great for Dodgeball, Kickball, Foursquare &amp; Gym Class Use
Product 2: Mikasa Rubber Cover Playground Ball Set, 8-1/2 Dia in, Assorted, 4-Square, Round, Set of 6

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