Instruction: Predict whether two products are similar, whether two products are likely to be purchased or viewed together based on their titles. Choose your answer from the provided options.

Input:
Product 1: Nikon 85mm f/1.8D Auto Focus Nikkor Lens for Nikon Digital SLR Cameras - Fixed
Product 2: STK EN-EL15 EN-EL15a Battery for Nikon D7000, D7100, D7200, D850, D750, Nikon D7500 Battery, D810, D500, D800, D610, D600 Compatible Nikon EN-EL15b 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: A