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: Denon AVR-1312 5.1 Channel AV Home Theater Receiver (Discontinued by Manufacturer)
Product 2: Denon DHT-1312BA A/V Home Theater Receiver with Boston Acoustics MCS 160 5.1 Surround 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