Task: Product_Relation_Prediction
Instruction: Evaluate the titles of Product 1 and Product 2 to assess their similarity and whether they are likely to be purchased or viewed together. Then, select the appropriate option.

Input:
Product 1: DTOL 5.1 External USB Audio Sound Card Adapter For PC Notebook
Product 2: NooElec NESDR Mini USB RTL-SDR &amp; ADS-B Receiver Set, RTL2832U &amp; R820T Tuner, MCX Input. Low-Cost Software Defined Radio Compatible with Many SDR Software Packages. R820T Tuner &amp; ESD-Safe Antenna Input

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