The person was nervously fumbling through the magazines while waiting to be called next, he could hear the whir of machines and instruments in the next room where?\nOptions:\n- airport\n- bed\n- library\n- kitchen\n- dentist
Let's think step by step.
dentist
People fear doctors and destist are type of doctors.

Machines and instruments are found at a dentist place.

.

So, the final answer is dentist