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