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: DKnight Magicbox Ultra-Portable Wireless Bluetooth Speaker with Built in microphone for Iphone, Ipad Mini, Ipad 4/3/2, Itouch, Blackberry, Nexus, Samsung and other Smart Phones and Mp3 Players
Product 2: SoundFit Plus Water-Resistant Bluetooth Speaker - Portable Outdoor Wireless Sound System - Features Powerful Bass and Clear Treble - Hands-Free with Built-in Microphone - Dust and Shock Resistant

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