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