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: StarTech.com 10-Feet DB9 RS232 Serial Null Modem Cable F/F (SCNM9FF)
Product 2: TRENDnet USB 2.0 to 10/100 Fast Ethernet LAN Wired Network Adapter, Compatible with Windows 10, 8.1, 8, 8 RT, 7, Mac OS 10.X, TU2-ET100

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: A