When you are finished drinking out of a cup and want it clean you use this.\nOptions:\n- shelf\n- dishwasher\n- table\n- restaurant\n- paper towel
Use reasoning to answer the following question.
dishwasher
Dishwasher is a machine for washing dishes automatically.

When you are finished drinking out of a cup and want it clean, you use Dishwasher.

.

Final answer: dishwasher