Which of the following are not colors of the rainbow spectrum?  Purple, Blue, Aqua, Orange, Black, Violet, Pink
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.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request.
### Instruction: Which of the following are not colors of the rainbow spectrum?  Purple, Blue, Aqua, Orange, Black, Violet, Pink
### Input: 
### Response: 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.