Task: Product_Relation_Prediction
Instruction: Analyze the titles of Product 1 and Product 2 to determine if they are similar, if they will be purchased or viewed together, and choose the corresponding option.

Input:
Product 1: 20cm U.fl/IPEX to RP-SMA Pigtail for Mini PCIe Wifi
Product 2: 2pcs IPEX U.fl/IPEX to SMA Female (hole) Pigtail 20cm for Mini PCIe Wifi MHF1 MHFI (Hirose U.FL 0.81mm)

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