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: NASTIMA Xlife 4400mAh Lithium ion Battery for iRobot Roomba 500 600 700 800 Series,1000 Times Long-Life [Premium Cells with UL&amp;CE Approved] for Roomba 510 560 620 650 655 770 780 790 860 870 880 890
Product 2: Roomba iRobot 500/600/700 Series Front Wheel/Caster Assembly

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