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