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