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: Fire HD 8 (Old 2015 Model Only) Case, Poetic [Turtle Skin Series][Corner Protection][Sound-Amplification] Protective Silicone Case for Amazon Fire HD 8 (2015 Old Model)(NOT FIT 2016 New Model) Black
Product 2: MoKo Case for Fire HD 8 2015 [Previous 5th Gen ONLY] - Ultra Lightweight Slim-shell Stand Cover with Auto Wake/Sleep for Amazon Kindle Fire HD 8&quot; Display Tablet (NOT FIT Fire HD 8 2016), BLACK

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