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: Sparkling White Smiles Professional Sport Mouth Guards- 2 Pack - no bpa - Safe Clear Color - no Color Additive - Athletic Teeth Mouth Guards - Fit any Mouth Size - Custom Fit - Carrying Case Included
Product 2: TapouT Adult Mouthguard

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