Answer: Interview someone in each of your chosen fields.
Step-by-step explanation:
From the question, we are informed that Lorenzo is trying to decide on a career path and that he has narrowed down his search to two choices but that before he selects a major, he wants to know more about the two careers and the skills needed for each profession.
The best advice is for him to interview someone in each of your chosen fields. By doing this, he'll be able to understand the options available to him and have better knowledge on both career paths and hence make a better decision.