Identify each person in the below as structurally, frictionally, cyclically, or seasonally unemployed.

a. Neha is a real estate agent. House sales in her area have declined because the region has been going through a recession. She has no clients and is currently looking for a new full-time job.
b. Lorenzo worked as a lifeguard in Virginia Beach during the busy summer months. Now that fall has arrived, he finds himself looking for work as a swim instructor.
c. Antonio worked as a lifeguard in Virginia Beach during the busy summer months. Now that fall has arrived, he finds himself looking for work as a swim instructor.