Instruction: Given the title of two products, predict if the two products are similar, if the two products will be purchased or viewed together. Answer only from the options.

Input:
Product 1: Metra 70-1761 Radio Wiring Harness For Toyota 87-Up Power 4 Speaker
Product 2: Metra 99-6518b 2013 - Up Ram(r) 1500/2500/3500 Single-din Mount Kit

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