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: Cyxus [Sleep Better] UV Filter 9H Hardness Premium Tempered Glass Blue Light Blocking Ray Block Screen Protector for Apple iPad 1/2/3/4 (9.7&quot;), Great for Women
Product 2: RetinaGuard Anti-UV, Anti-blue Light Tempered Glass Screen protector for 2018 iPad /2017 iPad /iPad Pro 9.7 /iPad Air2 /iPad Air - SGS &amp; Intertek Tested - Blocks Excessive Harmful Blue Light

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: C