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