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