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