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