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: Canon Speedlite 600EX II-RT Flash w/Essential Photo Bundle &ndash; Includes: Altura Photo Softbox Flash Diffuser, AA Rechargeable Batteries w/Charger, Camera Cleaning Set
Product 2: Gary Fong LSUSTART Lightsphere Universal Starter Kit

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