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