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