Your goal is to find the secret four-color code. The following colors are possible: red, purple, orange, yellow, white, 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: ['black', 'white', 'yellow', 'purple']. Hint: two colors are in the secret code but in the wrong positions.
Guess: ['red', 'red', 'white', 'black']. Hint: two colors are in the correct positions and one color is in the secret code but in the wrong positions.
Guess: ['red', 'orange', 'white', 'purple']. Hint: three colors are in the secret code but in the wrong positions.
A B C D
black, orange, red, black yellow, yellow, black, white red, orange, purple, yellow white, red, orange, black