Which of the following person is not included in the labor force?

A.Matt,who just graduated from the College. He is currently unemployed but constantly looking for jobs.

B.Lily,who is going to retire from her position as the head of Human Resources Department from the Montgomery College in 2 months.

C.Brandy,who is stay-home mother since 2006.

D.Judy,whoworked as a professional home food preparation expert for 40years.She lost her job last months due to the lack of need for her specialty.She is planning to move to anew town where she can find a job.