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: Metra 40-GM10 GM Antenna Adapter
Product 2: Upgarde Version With Camera ! 6.2&quot; Double 2 DIN Car DVD CD Video Player Bluetooth GPS Navigation Digital Touch Screen Car Stereo Radio Car PC 800MHZ CPU !!!

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