What is a surrogate decision maker?

O A judge who makes decisions for a depressed patient who is unable to decide on their healthcare.
O A lawyer who makes decisions for a patient who cannot decide on their healthcare.
O A person who makes decisions for a patient who cannot decide on their healthcare.
O A judge who makes decisions for a patient who cannot decide on their healthcare.
O A lawyer who makes decisions for a depressed patient who is unable to decide on their healthcare.