Take the following as truth: Improving Nursing Home Quality of  The Health Care Financing Administration (HCFA) and several states-including California, Maryland, and Michigan-improved their oversight and enforcement of nursing homes' quality of care standards in response to GAO's recommendations highlighting weaknesses in existing processes.
Then the following statement: "Several states failed to improved their oversight of quality of care of nursing home residents.  " is true, false, or inconclusive?
Answer: False