Answer and Explanation:
The classification is as follows:
a. Cyclical unemployment
Since the economy got worse and the factory would be shut down for 4 months so this represent that the economy would go into recession
b. Structural unemployment
As General motors would lays off 5,000 workes and wants to subsitute with robots so here there is a mismatch of the skills & characteristics according to the job requirements
c. Frictional unemployment
Frictional unemployment is classify as a short-term unemployment that occurred for matching the workers with the available jobs