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: Bay Valley Parts 6-Cell 10.8V 5200mAh New Replacement Laptop Battery for ASUS:UL20,UL20A,UL20F,UL20FT,UL20G,UL20GU,UL20VT
Product 2: Bay Valley Parts 6-Cell 11.1V 4800mAh New Replacement Laptop Battery

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