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