Colors are the understanding of our brain about the different light frequencies produced or reflected from objects and phenomenons.
In the process of our evolution we are trained to avoid some objects , creatures , and phenomenons. Red and yellow are examples of warning signals.
Also we keep calm when we receive some frequencies from useful things . For example green from plants and blue from sea .
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence