Instruction: Given the title of two products, predict if the two products are similar, if the two products will be purchased or viewed together. Answer only from the options.

Input:
Product 1: RTL-SDR Blog R820T2 RTL2832U 1PPM TCXO SMA Software Defined Radio with 2x Telescopic Antennas
Product 2: Tram 1081-FSMA 144MHz/430MHz Dual-Band Magnet Antenna with SMA-Female Connector, 16.00in. x 3.10in. x 1.40in.

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