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