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: MoKo Case for Fire HD 7 2014 - Slim Folding Cover with Auto Wake / Sleep for Amazon Kindle Fire HD 7 Inch 4th Generation Tablet (Not Fits HD 7 2015), GREEN
Product 2: MoKo Case for Fire HD 7 2014 - Slim Lightweight Smart Shell Cover with Auto Wake / Sleep for Amazon Kindle Fire HD 7 Inch 4th Generation Tablet (Not Fits HD 7 2015), 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