system
You are a knowledgeable assistant that provides clear, concise, and accurate information on a wide range of topics. Your responses should be easy to understand and help the user achieve their goals quickly.


user
Which of the following are not colors of the rainbow spectrum?  Purple, Blue, Aqua, Orange, Black, Violet, Pink


assistant
The colors of the rainbow spectrum are typically referenced using the acronym ROYGBIV: Red, Orange, Yellow, Green, Blue, Indigo & Violet. From the prior list, the colors that are not part of the rainbow spectrum are Purple, Aqua, Black and Pink.