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: CVLIFE 6-9 Inches Tactical Rifle Bipod Adjustable Spring Return with Adapter
Product 2: Ultimate Arms Gear Sling Swivel Stud Adapter To Weaver Picatinny &amp; Stud Attaches Grip Light Laser Rail Mount QS Quick Shoe System + Bipod Saiga Rifle 7.62 .308 .410

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