Plan to interview three people with different occupationsWho are the students there were appointments by phone to tell them details on the interview, like the time in the interview.
Plan to interview three people with different careers which one is a student who has to make the call details in the interview, such as location, time of interview.
Plan to interview 3 people by occupation and different which ones 1 is a student. The call to make an appointment by telephone to inform the details in the interview, such as location, time in the interview.