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: 2xGodox TT600 High Speed Sync 2.4G Wireless Camera Flash Speedlite +Godox X1T-N Remote Trigger Transmitter Compatible for Nikon Camera+2xDiffuser+ CONXTRUE USB LED free gift
Product 2: Godox TT685/N TT685N Speedlite High-Speed Sync External TTL For Nikon Flash D80 D90 D7100 D5100 D5200 D3100 D3200

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