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