I'll give you a question, please answer with step-by-step reasoning process.
The janitor had to climb high in the rafters of the auditorium, he was replacing the stage whats?\nOptions:\n- theater\n- lights\n- university campus\n- director\n- high school

lights
Janitor is a caretaker of a building.

Lights in a building need to be replaced when they stop working.

Looking after the lights in a building is also the job of a janitor.

.

Therefore, the answer is lights