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