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: Eathtek Replacement Keyboard for Dell Inspiron N5110 M5110 M511R series Black US Layout, Compatible with part number 4DFCJ 04DFCJ NSK-DY0SW
Product 2: Eathtek Replacement Keyboard without Backlit for Dell Inspiron N7110 5720 7720 Vostro 3750 XPS L702X 8XN0P 08XN0P 0454RX 454RX 09GTY3 series Black US Layout (Not fit for N7010 laptop!!)

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: B