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