Crystal is "not in the labor force".
Step-by-step explanation:
The labor force is defined as the people who are willing to work or able to work. But here, Crystal is not in the labor force because she lost her interest in searching for the job.
In the above scenario, Crystal is a 29 year old woman. She worked as associate producer in a radio station. She lost her job and she decided to attend the interview for different positions. Unfortunately she was not able to get a job, so she gave up on searching job. This is known as not in the labor force.