((You're standing beside a trolley line with a lever, there are 4 people tied up on one side of the track. If you don't pull the lever, those 4 people will die. However, if you pull the lever, the track will switch, but your best friend will die. What will you choose?))

As the trolley approaches at blinding speed, you hear its horn in the distance, almost as if it's taunting you. — ...