 
 <prompt> Which of the following no be business partner of Ralph J. Roberts: Daniel Aaron or Mississippi? Given the previous question, write a context wey contain the answer. E fit be 1 - 20 sentences. Context: <response>: In 1963, Ralph J. Roberts along with im two business partners, Daniel Aaron and Julian A. Brodsky, buy American Cable Systems as dem spin am off from Jerrold Electronics, for US $500,000. At dat time, American Cable na small cable operator for Tupelo, Mississippi, wey get five channels and 12,000 customers. Storecast Corporation of America, wey be product placement specialist marketing firm, na im American Cable buy for 1965. With Storecast being Muzak client, American Cable buy im first Muzak franchise for Orlando, Florida. 