The nurse is educating the client's family about the changes occurring during the early stage of the dying process. A family member tells the nurse "He gets really confused at times and it's scary." Which is the nurse's best response?

"Your parent is suffering from a symptom called sundowners."

"I understand this is difficult, but at least he is still awake."

"It's possible that the cancer has spread to the brain."

"This cognitive change is expected during the dying process."