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