Your goal is to find the secret four-color code. The following colors are possible: orange, red, purple, brown, green, black.
Some guesses have already been made. I will provide feedback for each guess made with which it is possible to unambigiously determine the secret code.

Previous Guesses:
Guess: ['red', 'brown', 'orange', 'purple']. Hint: three colors are in the secret code but in the wrong positions.
Guess: ['orange', 'orange', 'green', 'red']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['purple', 'purple', 'red', 'green']. Hint: three colors are in the secret code but in the wrong positions.
A B C D
black, brown, green, purple brown, red, brown, black green, red, purple, brown purple, orange, red, red