Which of the following statements accurately summarizes the plan outlined by Mayor Eric Adams in the article "To Aid Mentally Ill New Yorkers, City Shifts Away From the Police" published by The New York Times on March 9, 2024?

a) Mayor Adams plans to increase the police presence in response to mental-health 911 calls.
b) The plan involves expanding key services for individuals with severe mental illness, including creating a "single-access system" for community care.
c) The focus of the plan is to reduce the number of available psychiatrists in the city.
d) Mayor Adams intends to decrease the capacity of "clubhouses" to provide community support for individuals with mental illness.