which of the following is not an example of frictional unemployment?

A. every week, three workers decide to move to another city and look for a new job there.

B. Higher minimum wages laws cause employers to fire many low-skilled workers

C. During an economic recession, many workers lose their jobs and cannot find new employment as businesses close.

D. A pharmaceutical company lays off 1000 factory workers and replaces them with robots. These workers then look for jobs in other industries