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: Car Stereo | BOSS Audio 612UA Single Din, MP3/USB/SD AM/FM (NO CD/DVD Player)
Product 2: SIRIUS SV3-TK1 Stratus Plug-and-Play Satellite Radio Receiver with Car 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: B