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: Elviros 24x43in [60x110cm] Seamless Water-proof PVC Backdrop Background Paper for Photo Video Photography Studio - Red
Product 2: Meking Photography Backdrop Matte PVC Background 27*51 inch (68*130cm) Blue

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