Please answer the following question by reasoning step-by-step.
What holds a lit cigarette when no one is around?\nOptions:\n- hand\n- cool lip\n- light fire\n- ashtray\n- carton

ashtray
Ash tray holds a lit cigarette.

Ash tray can be used when no one is around.

Ash tray is a thing.

.

Final answer: ashtray