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