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: Bbox A164-10CP Dual 10&quot; Sealed Carpeted Subwoofer Enclosure - Fits 2003-2007 Chevrolet/GMC Silverado/Sierra Crew Cab
Product 2: Pioneer TSW311D4 12- Inch. 1400 Watt Dual Voice Coil DVC Subwoofer

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