I'll give you a question, please answer with step-by-step reasoning process.
What is a person called who doesn't have immortality?\nOptions:\n- mortal\n- dying\n- death\n- dead\n- mortal

mortal
Immortality means living forever, never dying or decaying.

Antonym of Immortal is mortal means subject to death.

A person who doesn’t have immortality is called mortal.

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So, the answer is mortal