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