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