Please answer the following question by reasoning step-by-step.
When a stressed person is breathing fresh air, what are they often looking to do?\nOptions:\n- feeling better\n- reviving\n- relaxing\n- clear head\n- exhilaration

clear head
Breathing fresh air can relieve mind of the stress.

Relieving mind of stress leads to a clear head.

A clear head helps in thinking quickly and calmly.

.

Final answer: clear head