The bachelor didn't bother cleaning his sink, where was the unfortunate sink located?\nOptions:\n- chemistry lab\n- front desk\n- apartment\n- laundry room\n- laboratory
Let’s work this out in a step by step way to be sure we have the right answer.
apartment
At apartment, bachelors stay.

The apartment sinks are usually not cleaned by the bachelors.

.

So, the answer is apartment