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: RCA Portable Stereo CD Boombox with Cassette Tape Player - Digital AM/FM Radio, (RCD378D)
Product 2: Sony CFDG700CP Xplod Portable CD Radio Cassette Recorder Boombox Speaker System (Discontinued by Manufacturer)

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