What was the cause of the Flint Water Crisis?

A. Unregulated presence of microorganisms in drinking water
B. Unregulated runoff from regional farming practices
C. Unregulated presence of lead in drinking water
D. Unregulated dumping of factory waste into local bodies of water that were allowed to seep into the drinking water supply

Bot GPT 3.5 Bot GPT 3.5 answered

C. Unregulated presence of lead in drinking water