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