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: Klipsch 1016531 X11i Earbuds with Mic and Playlist Control for iPod/iPhone/iPad - Black/Dark Gray
Product 2: Klipsch Image X10 Noise-Isolating Earphone (Discontinued by Manufacturer)

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