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