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