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