You run the mile race at a track meet and come in second. While running, you saw the first place finisher's foot step outside the line which should have disqualified that runner. Nobody else saw it happen, not even the first place finisher. What should you do?

If there is know video proof then I wouldn't say anything but if there was i would

Explanation:

a. steroid--> influences moods in the limbic system

b. inhalant--> dissolves fatty tissue in the brain

c. marijuana--> changes how the hippocampus processes sensations