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: Birchwood Casey Gun Cleaning Patch for 2 1/4&quot; Square 9 mm/.38/.45 Caliber (Pack of 500)
Product 2: Slip 2000 EWL 1oz.

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