Instruction: Evaluate the titles of Product 1 and Product 2, then choose the option that best describes the relation between the two products.

Input:
Product 1: Replacement for Vtech 8300 / BATT-6010 / BT18433 / BT184342 / BT28433 / BT284342 / 89-1326-00-00 / CPH-515D (3 pack)
Product 2: iMah Ryme B2-1 BT800 BT8300 Cordless Phone Batteries Compatible Vtech CS6209 CS6219 CS6229 DS6121 DS6221 Motorola L601M L602 L603M L701 L702M L903 L513CBT DECT 6.0 Home Handset Telephone (Pack of 3)

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