Explanation:

- ATM : Bank

- An ATM is a machine used to withdraw money from a bank account. It is typically associated with a bank, where the account is held.

- Ambulance : ?

- An ambulance is a vehicle used to transport patients in need of emergency care. It is typically associated with a hospital, where medical treatment is provided.

- Options:

- Option 1: Hospital

- An ambulance transports patients to a hospital.

- Option 2: Doctor

- While an ambulance may have medics or go to a place where doctors work, it's directly linked with a hospital.

- Option 3: Patient

- A patient can be carried by an ambulance, but the final destination is generally a hospital.

- Option 4: Nurse

- Like doctors, nurses work in hospitals, but the ambulance is primarily associated with the hospital more directly.

- Correct Answer: Hospital, as an ambulance typically transports patients to a hospital for treatment.