Need some help with the following questions, thanks!

Question 20 Full employment occurs when the rate of unemployment consists of: O cyclical plus frictional unemployment. O structural plus frictional unemployment. O structural, frictional, and cyclical unemployment. 0 none of these. Question 21 Which one of the following persons would be considered unemployed? O A part-time worker looking for a full-time job. 0 A person not working who has given up searching for a job. 0 A full-time college student who is not a member of the labor force. O A construction worker who was laid off due to cold weather