Classify each of the following colors as primary or secondary: orange, red, blue, green, purple, yellow.
Red, yellow and blue are primary colors. Orange, green and purple are secondary colors.
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: Classify each of the following colors as primary or secondary: orange, red, blue, green, purple, yellow.
### Input: 
### Response: Red, yellow and blue are primary colors. Orange, green and purple are secondary colors.